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authorArthur O'Dwyer <arthur.j.odwyer@gmail.com>2022-02-01 20:16:40 -0500
committerArthur O'Dwyer <arthur.j.odwyer@gmail.com>2022-02-04 12:27:19 -0500
commitfa6b9e401085c0a210daf81ae79af6dd0144f129 (patch)
tree59c606f21dd9365a842dada00ab1cfa881a3f99f /libcxx/include/__algorithm
parent55cd727c9ad1f2924cb43d7316b5cc050422e441 (diff)
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[libc++] Normalize all our '#pragma GCC system_header', and regression-test.
Now we'll notice if a header forgets to include this magic phrase. Differential Revision: https://reviews.llvm.org/D118800
Diffstat (limited to 'libcxx/include/__algorithm')
-rw-r--r--libcxx/include/__algorithm/adjacent_find.h2
-rw-r--r--libcxx/include/__algorithm/all_of.h2
-rw-r--r--libcxx/include/__algorithm/any_of.h2
-rw-r--r--libcxx/include/__algorithm/binary_search.h2
-rw-r--r--libcxx/include/__algorithm/clamp.h2
-rw-r--r--libcxx/include/__algorithm/comp.h2
-rw-r--r--libcxx/include/__algorithm/comp_ref_type.h2
-rw-r--r--libcxx/include/__algorithm/copy.h2
-rw-r--r--libcxx/include/__algorithm/copy_backward.h2
-rw-r--r--libcxx/include/__algorithm/copy_if.h2
-rw-r--r--libcxx/include/__algorithm/copy_n.h2
-rw-r--r--libcxx/include/__algorithm/count.h2
-rw-r--r--libcxx/include/__algorithm/count_if.h2
-rw-r--r--libcxx/include/__algorithm/equal.h2
-rw-r--r--libcxx/include/__algorithm/equal_range.h2
-rw-r--r--libcxx/include/__algorithm/fill.h2
-rw-r--r--libcxx/include/__algorithm/fill_n.h2
-rw-r--r--libcxx/include/__algorithm/find.h2
-rw-r--r--libcxx/include/__algorithm/find_end.h2
-rw-r--r--libcxx/include/__algorithm/find_first_of.h2
-rw-r--r--libcxx/include/__algorithm/find_if.h2
-rw-r--r--libcxx/include/__algorithm/find_if_not.h2
-rw-r--r--libcxx/include/__algorithm/for_each.h2
-rw-r--r--libcxx/include/__algorithm/for_each_n.h2
-rw-r--r--libcxx/include/__algorithm/generate.h2
-rw-r--r--libcxx/include/__algorithm/generate_n.h2
-rw-r--r--libcxx/include/__algorithm/half_positive.h2
-rw-r--r--libcxx/include/__algorithm/in_in_out_result.h2
-rw-r--r--libcxx/include/__algorithm/in_in_result.h2
-rw-r--r--libcxx/include/__algorithm/in_out_out_result.h4
-rw-r--r--libcxx/include/__algorithm/in_out_result.h2
-rw-r--r--libcxx/include/__algorithm/includes.h2
-rw-r--r--libcxx/include/__algorithm/inplace_merge.h2
-rw-r--r--libcxx/include/__algorithm/is_heap.h2
-rw-r--r--libcxx/include/__algorithm/is_heap_until.h2
-rw-r--r--libcxx/include/__algorithm/is_partitioned.h2
-rw-r--r--libcxx/include/__algorithm/is_permutation.h2
-rw-r--r--libcxx/include/__algorithm/is_sorted.h2
-rw-r--r--libcxx/include/__algorithm/is_sorted_until.h2
-rw-r--r--libcxx/include/__algorithm/iter_swap.h2
-rw-r--r--libcxx/include/__algorithm/lexicographical_compare.h2
-rw-r--r--libcxx/include/__algorithm/lower_bound.h2
-rw-r--r--libcxx/include/__algorithm/make_heap.h2
-rw-r--r--libcxx/include/__algorithm/max.h2
-rw-r--r--libcxx/include/__algorithm/max_element.h2
-rw-r--r--libcxx/include/__algorithm/merge.h2
-rw-r--r--libcxx/include/__algorithm/min.h2
-rw-r--r--libcxx/include/__algorithm/min_element.h2
-rw-r--r--libcxx/include/__algorithm/minmax.h2
-rw-r--r--libcxx/include/__algorithm/minmax_element.h2
-rw-r--r--libcxx/include/__algorithm/mismatch.h2
-rw-r--r--libcxx/include/__algorithm/move.h2
-rw-r--r--libcxx/include/__algorithm/move_backward.h2
-rw-r--r--libcxx/include/__algorithm/next_permutation.h2
-rw-r--r--libcxx/include/__algorithm/none_of.h2
-rw-r--r--libcxx/include/__algorithm/nth_element.h2
-rw-r--r--libcxx/include/__algorithm/partial_sort.h2
-rw-r--r--libcxx/include/__algorithm/partial_sort_copy.h2
-rw-r--r--libcxx/include/__algorithm/partition.h2
-rw-r--r--libcxx/include/__algorithm/partition_copy.h2
-rw-r--r--libcxx/include/__algorithm/partition_point.h2
-rw-r--r--libcxx/include/__algorithm/pop_heap.h2
-rw-r--r--libcxx/include/__algorithm/prev_permutation.h2
-rw-r--r--libcxx/include/__algorithm/push_heap.h2
-rw-r--r--libcxx/include/__algorithm/remove.h2
-rw-r--r--libcxx/include/__algorithm/remove_copy.h2
-rw-r--r--libcxx/include/__algorithm/remove_copy_if.h2
-rw-r--r--libcxx/include/__algorithm/remove_if.h2
-rw-r--r--libcxx/include/__algorithm/replace.h2
-rw-r--r--libcxx/include/__algorithm/replace_copy.h2
-rw-r--r--libcxx/include/__algorithm/replace_copy_if.h2
-rw-r--r--libcxx/include/__algorithm/replace_if.h2
-rw-r--r--libcxx/include/__algorithm/reverse.h2
-rw-r--r--libcxx/include/__algorithm/reverse_copy.h2
-rw-r--r--libcxx/include/__algorithm/rotate.h2
-rw-r--r--libcxx/include/__algorithm/rotate_copy.h2
-rw-r--r--libcxx/include/__algorithm/sample.h2
-rw-r--r--libcxx/include/__algorithm/search.h2
-rw-r--r--libcxx/include/__algorithm/search_n.h2
-rw-r--r--libcxx/include/__algorithm/set_difference.h2
-rw-r--r--libcxx/include/__algorithm/set_intersection.h2
-rw-r--r--libcxx/include/__algorithm/set_symmetric_difference.h2
-rw-r--r--libcxx/include/__algorithm/set_union.h2
-rw-r--r--libcxx/include/__algorithm/shift_left.h2
-rw-r--r--libcxx/include/__algorithm/shift_right.h2
-rw-r--r--libcxx/include/__algorithm/shuffle.h2
-rw-r--r--libcxx/include/__algorithm/sift_down.h2
-rw-r--r--libcxx/include/__algorithm/sort.h2
-rw-r--r--libcxx/include/__algorithm/sort_heap.h2
-rw-r--r--libcxx/include/__algorithm/stable_partition.h2
-rw-r--r--libcxx/include/__algorithm/stable_sort.h2
-rw-r--r--libcxx/include/__algorithm/swap_ranges.h2
-rw-r--r--libcxx/include/__algorithm/transform.h2
-rw-r--r--libcxx/include/__algorithm/unique.h2
-rw-r--r--libcxx/include/__algorithm/unique_copy.h2
-rw-r--r--libcxx/include/__algorithm/unwrap_iter.h2
-rw-r--r--libcxx/include/__algorithm/upper_bound.h2
97 files changed, 100 insertions, 96 deletions
diff --git a/libcxx/include/__algorithm/adjacent_find.h b/libcxx/include/__algorithm/adjacent_find.h
index 29ad83f..83d8c26 100644
--- a/libcxx/include/__algorithm/adjacent_find.h
+++ b/libcxx/include/__algorithm/adjacent_find.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/all_of.h b/libcxx/include/__algorithm/all_of.h
index 817a4bc..3af32a5 100644
--- a/libcxx/include/__algorithm/all_of.h
+++ b/libcxx/include/__algorithm/all_of.h
@@ -13,7 +13,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/any_of.h b/libcxx/include/__algorithm/any_of.h
index f4116d9..6fe6a0b 100644
--- a/libcxx/include/__algorithm/any_of.h
+++ b/libcxx/include/__algorithm/any_of.h
@@ -13,7 +13,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/binary_search.h b/libcxx/include/__algorithm/binary_search.h
index 2558dd0..15a17e1 100644
--- a/libcxx/include/__algorithm/binary_search.h
+++ b/libcxx/include/__algorithm/binary_search.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/clamp.h b/libcxx/include/__algorithm/clamp.h
index a51c101..bfc96f8 100644
--- a/libcxx/include/__algorithm/clamp.h
+++ b/libcxx/include/__algorithm/clamp.h
@@ -14,7 +14,7 @@
#include <__debug>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/comp.h b/libcxx/include/__algorithm/comp.h
index b3f971e4..62c06ae5 100644
--- a/libcxx/include/__algorithm/comp.h
+++ b/libcxx/include/__algorithm/comp.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/comp_ref_type.h b/libcxx/include/__algorithm/comp_ref_type.h
index 6cc6405..be342d4 100644
--- a/libcxx/include/__algorithm/comp_ref_type.h
+++ b/libcxx/include/__algorithm/comp_ref_type.h
@@ -17,7 +17,7 @@
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/copy.h b/libcxx/include/__algorithm/copy.h
index 65f0e0b..b4045cd 100644
--- a/libcxx/include/__algorithm/copy.h
+++ b/libcxx/include/__algorithm/copy.h
@@ -16,7 +16,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/copy_backward.h b/libcxx/include/__algorithm/copy_backward.h
index ac73329..9754f0c 100644
--- a/libcxx/include/__algorithm/copy_backward.h
+++ b/libcxx/include/__algorithm/copy_backward.h
@@ -16,7 +16,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/copy_if.h b/libcxx/include/__algorithm/copy_if.h
index d32514d..9c3cd29 100644
--- a/libcxx/include/__algorithm/copy_if.h
+++ b/libcxx/include/__algorithm/copy_if.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/copy_n.h b/libcxx/include/__algorithm/copy_n.h
index cdcc0d5..8b915af 100644
--- a/libcxx/include/__algorithm/copy_n.h
+++ b/libcxx/include/__algorithm/copy_n.h
@@ -15,7 +15,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/count.h b/libcxx/include/__algorithm/count.h
index 81a2c18..e18128c 100644
--- a/libcxx/include/__algorithm/count.h
+++ b/libcxx/include/__algorithm/count.h
@@ -14,7 +14,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/count_if.h b/libcxx/include/__algorithm/count_if.h
index 00f5d67..1ec2d83 100644
--- a/libcxx/include/__algorithm/count_if.h
+++ b/libcxx/include/__algorithm/count_if.h
@@ -14,7 +14,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/equal.h b/libcxx/include/__algorithm/equal.h
index 4c9ad05..ca1bc6b 100644
--- a/libcxx/include/__algorithm/equal.h
+++ b/libcxx/include/__algorithm/equal.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/equal_range.h b/libcxx/include/__algorithm/equal_range.h
index e13f0bd..37a2c29 100644
--- a/libcxx/include/__algorithm/equal_range.h
+++ b/libcxx/include/__algorithm/equal_range.h
@@ -18,7 +18,7 @@
#include <iterator>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/fill.h b/libcxx/include/__algorithm/fill.h
index 0cb36b0..be5b474 100644
--- a/libcxx/include/__algorithm/fill.h
+++ b/libcxx/include/__algorithm/fill.h
@@ -15,7 +15,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/fill_n.h b/libcxx/include/__algorithm/fill_n.h
index 857ac14..590c8f3 100644
--- a/libcxx/include/__algorithm/fill_n.h
+++ b/libcxx/include/__algorithm/fill_n.h
@@ -14,7 +14,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/find.h b/libcxx/include/__algorithm/find.h
index 2a6dfbe..641b85e 100644
--- a/libcxx/include/__algorithm/find.h
+++ b/libcxx/include/__algorithm/find.h
@@ -13,7 +13,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/find_end.h b/libcxx/include/__algorithm/find_end.h
index dd0f7d7..0220c09 100644
--- a/libcxx/include/__algorithm/find_end.h
+++ b/libcxx/include/__algorithm/find_end.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/find_first_of.h b/libcxx/include/__algorithm/find_first_of.h
index 69354f6..b968329 100644
--- a/libcxx/include/__algorithm/find_first_of.h
+++ b/libcxx/include/__algorithm/find_first_of.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/find_if.h b/libcxx/include/__algorithm/find_if.h
index a94196a..aa98171 100644
--- a/libcxx/include/__algorithm/find_if.h
+++ b/libcxx/include/__algorithm/find_if.h
@@ -13,7 +13,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/find_if_not.h b/libcxx/include/__algorithm/find_if_not.h
index e057db5..61ddab0 100644
--- a/libcxx/include/__algorithm/find_if_not.h
+++ b/libcxx/include/__algorithm/find_if_not.h
@@ -13,7 +13,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/for_each.h b/libcxx/include/__algorithm/for_each.h
index 1612ffa..bfbd37c 100644
--- a/libcxx/include/__algorithm/for_each.h
+++ b/libcxx/include/__algorithm/for_each.h
@@ -13,7 +13,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/for_each_n.h b/libcxx/include/__algorithm/for_each_n.h
index 00e3fb9..2552b40 100644
--- a/libcxx/include/__algorithm/for_each_n.h
+++ b/libcxx/include/__algorithm/for_each_n.h
@@ -14,7 +14,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/generate.h b/libcxx/include/__algorithm/generate.h
index 10834cd..dacbd8c 100644
--- a/libcxx/include/__algorithm/generate.h
+++ b/libcxx/include/__algorithm/generate.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/generate_n.h b/libcxx/include/__algorithm/generate_n.h
index 595007c..2650e9e 100644
--- a/libcxx/include/__algorithm/generate_n.h
+++ b/libcxx/include/__algorithm/generate_n.h
@@ -13,7 +13,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/half_positive.h b/libcxx/include/__algorithm/half_positive.h
index 5d36ff5..7666ef1 100644
--- a/libcxx/include/__algorithm/half_positive.h
+++ b/libcxx/include/__algorithm/half_positive.h
@@ -13,7 +13,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/in_in_out_result.h b/libcxx/include/__algorithm/in_in_out_result.h
index a492d27..d020b91 100644
--- a/libcxx/include/__algorithm/in_in_out_result.h
+++ b/libcxx/include/__algorithm/in_in_out_result.h
@@ -15,7 +15,7 @@
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/in_in_result.h b/libcxx/include/__algorithm/in_in_result.h
index c8fe43d0..e2585a7 100644
--- a/libcxx/include/__algorithm/in_in_result.h
+++ b/libcxx/include/__algorithm/in_in_result.h
@@ -15,7 +15,7 @@
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/in_out_out_result.h b/libcxx/include/__algorithm/in_out_out_result.h
index 222d4de..e97a891 100644
--- a/libcxx/include/__algorithm/in_out_out_result.h
+++ b/libcxx/include/__algorithm/in_out_out_result.h
@@ -14,6 +14,10 @@
#include <__config>
#include <__utility/move.h>
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
_LIBCPP_BEGIN_NAMESPACE_STD
#ifndef _LIBCPP_HAS_NO_CONCEPTS
diff --git a/libcxx/include/__algorithm/in_out_result.h b/libcxx/include/__algorithm/in_out_result.h
index d3c16e4..cdd6ab4 100644
--- a/libcxx/include/__algorithm/in_out_result.h
+++ b/libcxx/include/__algorithm/in_out_result.h
@@ -15,7 +15,7 @@
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/includes.h b/libcxx/include/__algorithm/includes.h
index 9d0bc69..4c87e8d 100644
--- a/libcxx/include/__algorithm/includes.h
+++ b/libcxx/include/__algorithm/includes.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/inplace_merge.h b/libcxx/include/__algorithm/inplace_merge.h
index e6f1efc..90ca152 100644
--- a/libcxx/include/__algorithm/inplace_merge.h
+++ b/libcxx/include/__algorithm/inplace_merge.h
@@ -22,7 +22,7 @@
#include <memory>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
diff --git a/libcxx/include/__algorithm/is_heap.h b/libcxx/include/__algorithm/is_heap.h
index 925ba8b..fe44e63 100644
--- a/libcxx/include/__algorithm/is_heap.h
+++ b/libcxx/include/__algorithm/is_heap.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/is_heap_until.h b/libcxx/include/__algorithm/is_heap_until.h
index aa23b6d..39f313e 100644
--- a/libcxx/include/__algorithm/is_heap_until.h
+++ b/libcxx/include/__algorithm/is_heap_until.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/is_partitioned.h b/libcxx/include/__algorithm/is_partitioned.h
index e5b2214..b4f421cf 100644
--- a/libcxx/include/__algorithm/is_partitioned.h
+++ b/libcxx/include/__algorithm/is_partitioned.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/is_permutation.h b/libcxx/include/__algorithm/is_permutation.h
index 344aa76..cdd7420 100644
--- a/libcxx/include/__algorithm/is_permutation.h
+++ b/libcxx/include/__algorithm/is_permutation.h
@@ -17,7 +17,7 @@
#include <__iterator/next.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/is_sorted.h b/libcxx/include/__algorithm/is_sorted.h
index 5795329..56de95b 100644
--- a/libcxx/include/__algorithm/is_sorted.h
+++ b/libcxx/include/__algorithm/is_sorted.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/is_sorted_until.h b/libcxx/include/__algorithm/is_sorted_until.h
index 57cad47..338d285 100644
--- a/libcxx/include/__algorithm/is_sorted_until.h
+++ b/libcxx/include/__algorithm/is_sorted_until.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/iter_swap.h b/libcxx/include/__algorithm/iter_swap.h
index 9f7d0d7..038859e 100644
--- a/libcxx/include/__algorithm/iter_swap.h
+++ b/libcxx/include/__algorithm/iter_swap.h
@@ -14,7 +14,7 @@
#include <__utility/swap.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/lexicographical_compare.h b/libcxx/include/__algorithm/lexicographical_compare.h
index 55a1da6..30ddf24 100644
--- a/libcxx/include/__algorithm/lexicographical_compare.h
+++ b/libcxx/include/__algorithm/lexicographical_compare.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/lower_bound.h b/libcxx/include/__algorithm/lower_bound.h
index 663a0b1..26b64ec 100644
--- a/libcxx/include/__algorithm/lower_bound.h
+++ b/libcxx/include/__algorithm/lower_bound.h
@@ -15,7 +15,7 @@
#include <iterator>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/make_heap.h b/libcxx/include/__algorithm/make_heap.h
index f489add..acac0aa 100644
--- a/libcxx/include/__algorithm/make_heap.h
+++ b/libcxx/include/__algorithm/make_heap.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/max.h b/libcxx/include/__algorithm/max.h
index 0bbc971..345b235 100644
--- a/libcxx/include/__algorithm/max.h
+++ b/libcxx/include/__algorithm/max.h
@@ -16,7 +16,7 @@
#include <initializer_list>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
diff --git a/libcxx/include/__algorithm/max_element.h b/libcxx/include/__algorithm/max_element.h
index db29372..795ec8e 100644
--- a/libcxx/include/__algorithm/max_element.h
+++ b/libcxx/include/__algorithm/max_element.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/merge.h b/libcxx/include/__algorithm/merge.h
index 9182649..48360ed 100644
--- a/libcxx/include/__algorithm/merge.h
+++ b/libcxx/include/__algorithm/merge.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/min.h b/libcxx/include/__algorithm/min.h
index ed2d3b8..3d8c73d 100644
--- a/libcxx/include/__algorithm/min.h
+++ b/libcxx/include/__algorithm/min.h
@@ -16,7 +16,7 @@
#include <initializer_list>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
diff --git a/libcxx/include/__algorithm/min_element.h b/libcxx/include/__algorithm/min_element.h
index 407c7f9..129833d 100644
--- a/libcxx/include/__algorithm/min_element.h
+++ b/libcxx/include/__algorithm/min_element.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/minmax.h b/libcxx/include/__algorithm/minmax.h
index 0bf88a7..7783fc1 100644
--- a/libcxx/include/__algorithm/minmax.h
+++ b/libcxx/include/__algorithm/minmax.h
@@ -15,7 +15,7 @@
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/minmax_element.h b/libcxx/include/__algorithm/minmax_element.h
index 5d76860..144ebef 100644
--- a/libcxx/include/__algorithm/minmax_element.h
+++ b/libcxx/include/__algorithm/minmax_element.h
@@ -15,7 +15,7 @@
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/mismatch.h b/libcxx/include/__algorithm/mismatch.h
index 230ade0..b31000c 100644
--- a/libcxx/include/__algorithm/mismatch.h
+++ b/libcxx/include/__algorithm/mismatch.h
@@ -16,7 +16,7 @@
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/move.h b/libcxx/include/__algorithm/move.h
index fa118f4..38abf67 100644
--- a/libcxx/include/__algorithm/move.h
+++ b/libcxx/include/__algorithm/move.h
@@ -17,7 +17,7 @@
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/move_backward.h b/libcxx/include/__algorithm/move_backward.h
index a4e3828..aa00a50 100644
--- a/libcxx/include/__algorithm/move_backward.h
+++ b/libcxx/include/__algorithm/move_backward.h
@@ -16,7 +16,7 @@
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/next_permutation.h b/libcxx/include/__algorithm/next_permutation.h
index eb81cce..05e56f4 100644
--- a/libcxx/include/__algorithm/next_permutation.h
+++ b/libcxx/include/__algorithm/next_permutation.h
@@ -17,7 +17,7 @@
#include <__utility/swap.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/none_of.h b/libcxx/include/__algorithm/none_of.h
index 10339e2..b34b1e00 100644
--- a/libcxx/include/__algorithm/none_of.h
+++ b/libcxx/include/__algorithm/none_of.h
@@ -13,7 +13,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/nth_element.h b/libcxx/include/__algorithm/nth_element.h
index 3afbd6c..0f9f66d 100644
--- a/libcxx/include/__algorithm/nth_element.h
+++ b/libcxx/include/__algorithm/nth_element.h
@@ -21,7 +21,7 @@
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/partial_sort.h b/libcxx/include/__algorithm/partial_sort.h
index a92a7e5..8adf5b2f 100644
--- a/libcxx/include/__algorithm/partial_sort.h
+++ b/libcxx/include/__algorithm/partial_sort.h
@@ -23,7 +23,7 @@
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/partial_sort_copy.h b/libcxx/include/__algorithm/partial_sort_copy.h
index 67a62ba..7ed1e53 100644
--- a/libcxx/include/__algorithm/partial_sort_copy.h
+++ b/libcxx/include/__algorithm/partial_sort_copy.h
@@ -18,7 +18,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/partition.h b/libcxx/include/__algorithm/partition.h
index 131c5d3..73d9483 100644
--- a/libcxx/include/__algorithm/partition.h
+++ b/libcxx/include/__algorithm/partition.h
@@ -14,7 +14,7 @@
#include <__utility/swap.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/partition_copy.h b/libcxx/include/__algorithm/partition_copy.h
index d349445..8b3ca49 100644
--- a/libcxx/include/__algorithm/partition_copy.h
+++ b/libcxx/include/__algorithm/partition_copy.h
@@ -14,7 +14,7 @@
#include <utility> // pair
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/partition_point.h b/libcxx/include/__algorithm/partition_point.h
index 18e6e6f..c2fa841 100644
--- a/libcxx/include/__algorithm/partition_point.h
+++ b/libcxx/include/__algorithm/partition_point.h
@@ -14,7 +14,7 @@
#include <iterator>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/pop_heap.h b/libcxx/include/__algorithm/pop_heap.h
index c1cc801..2a69f6e 100644
--- a/libcxx/include/__algorithm/pop_heap.h
+++ b/libcxx/include/__algorithm/pop_heap.h
@@ -17,7 +17,7 @@
#include <__utility/swap.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/prev_permutation.h b/libcxx/include/__algorithm/prev_permutation.h
index 457c269..9dbc1da 100644
--- a/libcxx/include/__algorithm/prev_permutation.h
+++ b/libcxx/include/__algorithm/prev_permutation.h
@@ -17,7 +17,7 @@
#include <__utility/swap.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/push_heap.h b/libcxx/include/__algorithm/push_heap.h
index 864d419..66973e0 100644
--- a/libcxx/include/__algorithm/push_heap.h
+++ b/libcxx/include/__algorithm/push_heap.h
@@ -16,7 +16,7 @@
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/remove.h b/libcxx/include/__algorithm/remove.h
index 681b9cc..c00f96f 100644
--- a/libcxx/include/__algorithm/remove.h
+++ b/libcxx/include/__algorithm/remove.h
@@ -15,7 +15,7 @@
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/remove_copy.h b/libcxx/include/__algorithm/remove_copy.h
index 338ca94..a29a385 100644
--- a/libcxx/include/__algorithm/remove_copy.h
+++ b/libcxx/include/__algorithm/remove_copy.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/remove_copy_if.h b/libcxx/include/__algorithm/remove_copy_if.h
index a556387..36ddba4 100644
--- a/libcxx/include/__algorithm/remove_copy_if.h
+++ b/libcxx/include/__algorithm/remove_copy_if.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/remove_if.h b/libcxx/include/__algorithm/remove_if.h
index 36f817c..e9e0d78 100644
--- a/libcxx/include/__algorithm/remove_if.h
+++ b/libcxx/include/__algorithm/remove_if.h
@@ -14,7 +14,7 @@
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/replace.h b/libcxx/include/__algorithm/replace.h
index 2bc96ff..d0ae8f6 100644
--- a/libcxx/include/__algorithm/replace.h
+++ b/libcxx/include/__algorithm/replace.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/replace_copy.h b/libcxx/include/__algorithm/replace_copy.h
index c6c5fe3..7c8a5a0 100644
--- a/libcxx/include/__algorithm/replace_copy.h
+++ b/libcxx/include/__algorithm/replace_copy.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/replace_copy_if.h b/libcxx/include/__algorithm/replace_copy_if.h
index 274d8e6..9d8a68f 100644
--- a/libcxx/include/__algorithm/replace_copy_if.h
+++ b/libcxx/include/__algorithm/replace_copy_if.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/replace_if.h b/libcxx/include/__algorithm/replace_if.h
index bcc3feb..37c719a 100644
--- a/libcxx/include/__algorithm/replace_if.h
+++ b/libcxx/include/__algorithm/replace_if.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/reverse.h b/libcxx/include/__algorithm/reverse.h
index 1198aea..0202cd7 100644
--- a/libcxx/include/__algorithm/reverse.h
+++ b/libcxx/include/__algorithm/reverse.h
@@ -14,7 +14,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/reverse_copy.h b/libcxx/include/__algorithm/reverse_copy.h
index 002c034..1583907 100644
--- a/libcxx/include/__algorithm/reverse_copy.h
+++ b/libcxx/include/__algorithm/reverse_copy.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/rotate.h b/libcxx/include/__algorithm/rotate.h
index fd6d3e9c..344c2f8 100644
--- a/libcxx/include/__algorithm/rotate.h
+++ b/libcxx/include/__algorithm/rotate.h
@@ -20,7 +20,7 @@
#include <iterator>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/rotate_copy.h b/libcxx/include/__algorithm/rotate_copy.h
index f9e644c..ab569ef 100644
--- a/libcxx/include/__algorithm/rotate_copy.h
+++ b/libcxx/include/__algorithm/rotate_copy.h
@@ -13,7 +13,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/sample.h b/libcxx/include/__algorithm/sample.h
index 33264c4..0bf4fd5 100644
--- a/libcxx/include/__algorithm/sample.h
+++ b/libcxx/include/__algorithm/sample.h
@@ -16,7 +16,7 @@
#include <iterator>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
diff --git a/libcxx/include/__algorithm/search.h b/libcxx/include/__algorithm/search.h
index cfaec0e..8b8d708 100644
--- a/libcxx/include/__algorithm/search.h
+++ b/libcxx/include/__algorithm/search.h
@@ -16,7 +16,7 @@
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/search_n.h b/libcxx/include/__algorithm/search_n.h
index e4576cc..4c083de6 100644
--- a/libcxx/include/__algorithm/search_n.h
+++ b/libcxx/include/__algorithm/search_n.h
@@ -16,7 +16,7 @@
#include <type_traits> // __convert_to_integral
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/set_difference.h b/libcxx/include/__algorithm/set_difference.h
index 00f61e0..5e2dca2 100644
--- a/libcxx/include/__algorithm/set_difference.h
+++ b/libcxx/include/__algorithm/set_difference.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/set_intersection.h b/libcxx/include/__algorithm/set_intersection.h
index f6aa382..c4163fc 100644
--- a/libcxx/include/__algorithm/set_intersection.h
+++ b/libcxx/include/__algorithm/set_intersection.h
@@ -15,7 +15,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/set_symmetric_difference.h b/libcxx/include/__algorithm/set_symmetric_difference.h
index 5b5c2ac..2dbfb35 100644
--- a/libcxx/include/__algorithm/set_symmetric_difference.h
+++ b/libcxx/include/__algorithm/set_symmetric_difference.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/set_union.h b/libcxx/include/__algorithm/set_union.h
index 5b3e3af..0ec6b09 100644
--- a/libcxx/include/__algorithm/set_union.h
+++ b/libcxx/include/__algorithm/set_union.h
@@ -16,7 +16,7 @@
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/shift_left.h b/libcxx/include/__algorithm/shift_left.h
index 0466a31..33f06d57 100644
--- a/libcxx/include/__algorithm/shift_left.h
+++ b/libcxx/include/__algorithm/shift_left.h
@@ -15,7 +15,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/shift_right.h b/libcxx/include/__algorithm/shift_right.h
index 121712e..14bc761 100644
--- a/libcxx/include/__algorithm/shift_right.h
+++ b/libcxx/include/__algorithm/shift_right.h
@@ -18,7 +18,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/shuffle.h b/libcxx/include/__algorithm/shuffle.h
index 7f6ad50..647aa3f 100644
--- a/libcxx/include/__algorithm/shuffle.h
+++ b/libcxx/include/__algorithm/shuffle.h
@@ -17,7 +17,7 @@
#include <cstdint>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
diff --git a/libcxx/include/__algorithm/sift_down.h b/libcxx/include/__algorithm/sift_down.h
index bf54476..b636da7 100644
--- a/libcxx/include/__algorithm/sift_down.h
+++ b/libcxx/include/__algorithm/sift_down.h
@@ -14,7 +14,7 @@
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/sort.h b/libcxx/include/__algorithm/sort.h
index 5e09b280..27ce647 100644
--- a/libcxx/include/__algorithm/sort.h
+++ b/libcxx/include/__algorithm/sort.h
@@ -23,7 +23,7 @@
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/sort_heap.h b/libcxx/include/__algorithm/sort_heap.h
index 64291ff..3a63d74 100644
--- a/libcxx/include/__algorithm/sort_heap.h
+++ b/libcxx/include/__algorithm/sort_heap.h
@@ -17,7 +17,7 @@
#include <type_traits> // swap
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/stable_partition.h b/libcxx/include/__algorithm/stable_partition.h
index 331f0fd..1233cc1 100644
--- a/libcxx/include/__algorithm/stable_partition.h
+++ b/libcxx/include/__algorithm/stable_partition.h
@@ -16,7 +16,7 @@
#include <memory>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/stable_sort.h b/libcxx/include/__algorithm/stable_sort.h
index 4ae17e0..33df6e8b 100644
--- a/libcxx/include/__algorithm/stable_sort.h
+++ b/libcxx/include/__algorithm/stable_sort.h
@@ -20,7 +20,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/swap_ranges.h b/libcxx/include/__algorithm/swap_ranges.h
index 2b099c7..b17ee89 100644
--- a/libcxx/include/__algorithm/swap_ranges.h
+++ b/libcxx/include/__algorithm/swap_ranges.h
@@ -14,7 +14,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/transform.h b/libcxx/include/__algorithm/transform.h
index 494cb71..f9db806 100644
--- a/libcxx/include/__algorithm/transform.h
+++ b/libcxx/include/__algorithm/transform.h
@@ -12,7 +12,7 @@
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/unique.h b/libcxx/include/__algorithm/unique.h
index e17ff15..264d727 100644
--- a/libcxx/include/__algorithm/unique.h
+++ b/libcxx/include/__algorithm/unique.h
@@ -16,7 +16,7 @@
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/unique_copy.h b/libcxx/include/__algorithm/unique_copy.h
index 4833ae9..8db0b71 100644
--- a/libcxx/include/__algorithm/unique_copy.h
+++ b/libcxx/include/__algorithm/unique_copy.h
@@ -15,7 +15,7 @@
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/unwrap_iter.h b/libcxx/include/__algorithm/unwrap_iter.h
index 3576533..e738cb2 100644
--- a/libcxx/include/__algorithm/unwrap_iter.h
+++ b/libcxx/include/__algorithm/unwrap_iter.h
@@ -15,7 +15,7 @@
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
diff --git a/libcxx/include/__algorithm/upper_bound.h b/libcxx/include/__algorithm/upper_bound.h
index c064f1e..cfa021e 100644
--- a/libcxx/include/__algorithm/upper_bound.h
+++ b/libcxx/include/__algorithm/upper_bound.h
@@ -15,7 +15,7 @@
#include <iterator>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
+# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD