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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-24.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-24.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-24.c
new file mode 100644
index 000000000..05e8dd144
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-24.c
@@ -0,0 +1,10 @@
+/* { dg-do compile } */
+/* { dg-options "-fstrict-overflow -O2" } */
+/* { dg-message "warnings being treated as errors" "" {target "*-*-*"} 0 } */
+#pragma GCC diagnostic error "-Wstrict-overflow"
+
+int
+foo (int i)
+{
+ return __builtin_abs (i) >= 0; /* { dg-error "assuming signed overflow does not occur" "correct warning" } */
+}