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authorJason Merrill <jason@redhat.com>2018-04-05 13:17:11 -0400
committerJason Merrill <jason@gcc.gnu.org>2018-04-05 13:17:11 -0400
commitda0c07b20f79549eb8b1f1fe11ac5639f9083e49 (patch)
tree1427046bb225b1f64a4fcb6f4d4173e44fb2c9b6
parent61f84e25f6cbfb182bfaa4334d44f3c865c4c0b7 (diff)
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PR c++/83808 - ICE with VLA initialization.
* typeck2.c (process_init_constructor_array): Don't require a VLA initializer to have VLA type. From-SVN: r259138
-rw-r--r--gcc/cp/ChangeLog6
-rw-r--r--gcc/cp/typeck2.c8
-rw-r--r--gcc/testsuite/g++.dg/ext/vla19.C16
3 files changed, 27 insertions, 3 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 4065440..7fef0c8 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2018-04-05 Jason Merrill <jason@redhat.com>
+
+ PR c++/83808 - ICE with VLA initialization.
+ * typeck2.c (process_init_constructor_array): Don't require a VLA
+ initializer to have VLA type.
+
2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/80956
diff --git a/gcc/cp/typeck2.c b/gcc/cp/typeck2.c
index 3bdeae1..e5f9a68 100644
--- a/gcc/cp/typeck2.c
+++ b/gcc/cp/typeck2.c
@@ -1319,9 +1319,11 @@ process_init_constructor_array (tree type, tree init, int nested,
ce->value
= massage_init_elt (TREE_TYPE (type), ce->value, nested, complain);
- if (ce->value != error_mark_node)
- gcc_assert (same_type_ignoring_top_level_qualifiers_p
- (TREE_TYPE (type), TREE_TYPE (ce->value)));
+ gcc_checking_assert
+ (ce->value == error_mark_node
+ || (same_type_ignoring_top_level_qualifiers_p
+ (strip_array_types (TREE_TYPE (type)),
+ strip_array_types (TREE_TYPE (ce->value)))));
flags |= picflag_from_initializer (ce->value);
}
diff --git a/gcc/testsuite/g++.dg/ext/vla19.C b/gcc/testsuite/g++.dg/ext/vla19.C
new file mode 100644
index 0000000..287a0d5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/vla19.C
@@ -0,0 +1,16 @@
+// PR c++/83808
+// { dg-additional-options "-Wno-vla" }
+
+struct R { int r; };
+void baz (char *, char *, char *, char *);
+
+void
+foo ()
+{
+ const R a = { 12 };
+ char b[1][a.r] = { { "12345678901" } };
+ char c[a.r] = { "12345678901" };
+ char d[1][a.r] = { { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '\0' } };
+ char e[a.r] = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '\0' };
+ baz (b[0], c, d[0], e);
+}