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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-vla-1.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-vla-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-vla-1.c
new file mode 100644
index 000000000..e9f63d368
--- /dev/null
+++ b/gcc-4.9/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));
+}