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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-21.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-21.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-21.c
new file mode 100644
index 000000000..57e946526
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-21.c
@@ -0,0 +1,12 @@
+/* PR 32102: -Wall stomps on -Wstrict-overflow */
+/* { dg-do compile } */
+/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=2 -Wall" } */
+int
+foo ()
+{
+ int i, bits;
+ for (i = 1, bits = 1; i > 0; i += i) /* { dg-warning "assuming signed overflow does not occur" "correct warning" } */
+ ++bits;
+ return bits;
+}
+