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authorBen Cheng <bccheng@google.com>2013-03-28 11:14:20 -0700
committerBen Cheng <bccheng@google.com>2013-03-28 12:40:33 -0700
commitaf0c51ac87ab2a87caa03fa108f0d164987a2764 (patch)
tree4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-14.c
parentd87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff)
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[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-14.c')
-rw-r--r--gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-14.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-14.c b/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-14.c
new file mode 100644
index 000000000..6f3c5a24f
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-14.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 += i / 16; /* { dg-warning "assuming signed overflow does not occur" "" } */
+ return sum;
+}