Merge from trunkreload-v2

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/reload-v2@153515 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-vla-1.c b/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-vla-1.c
new file mode 100644
index 00000000000..e9f63d36872
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-vla-1.c
@@ -0,0 +1,10 @@
+/* PR 41673: bogus -Wstrict-aliasing warning from VLA dereference.  */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99 -O2 -Wall" } */
+
+int main(int argc, char *argv[])
+{
+    float x[argc];
+    float y[argc];
+    return 0 == __builtin_memcpy(y, x, argc * sizeof(*x));
+}