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authorJason Merrill <jason@redhat.com>2021-06-08 14:32:42 -0400
committerJason Merrill <jason@redhat.com>2021-06-08 15:34:43 -0400
commit5668b5d09ae8f942e79b6d4473ba285a496b9a57 (patch)
tree00fbb0c417f29d371a0535b84b697fe2294c374c
parent8483dd99268f4d2b68521fcefa78fbdad21f21e8 (diff)
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c++: Test for whitespace and line splice
From wg21.link/P2223R2 gcc/testsuite/ChangeLog: * g++.dg/cpp23/whitespace-splice1.C: New test.
-rw-r--r--gcc/testsuite/g++.dg/cpp23/whitespace-splice1.C15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp23/whitespace-splice1.C b/gcc/testsuite/g++.dg/cpp23/whitespace-splice1.C
new file mode 100644
index 0000000..f115ce0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp23/whitespace-splice1.C
@@ -0,0 +1,15 @@
+// Tests from P2223R2
+// { dg-additional-options -w }
+// { dg-do compile { target c++11 } }
+
+constexpr auto str = "\
+";
+
+static_assert(__builtin_strlen(str) == 0, "");
+
+constexpr int i = 1
+ // \
+ + 42
+ ;
+
+static_assert(i == 1, "");