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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/Woverflow-1.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Woverflow-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/Woverflow-1.c
new file mode 100644
index 000000000..064af4561
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/Woverflow-1.c
@@ -0,0 +1,7 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+#include <limits.h>
+
+int foo = INT_MAX + 1; /* { dg-warning "integer overflow" } */
+