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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-20.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-20.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-20.c
new file mode 100644
index 000000000..207162d0e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-20.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow" } */
+
+/* Don't warn about an overflow in a copied loop header. We used to
+ get a warning in value numbering. This is PR 33565. */
+
+void f (int m, int n)
+{
+ int j;
+
+ for (j = m; j < m + 10 && j < n; j ++)
+ do_something (j);
+}