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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-15.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-15.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-15.c
new file mode 100644
index 000000000..d1627d2f4
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-15.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=4" } */
+
+/* Source: Ian Lance Taylor. */
+
+int
+foo (int j)
+{
+ int i;
+ int sum = 0;
+
+ for (i = 1; i < j; i += i)
+ sum += __builtin_abs (i); /* { dg-warning "assuming signed overflow does not occur" "" } */
+ return sum;
+}