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-rw-r--r--gcc/testsuite/gcc.dg/overflow-warn-5.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/overflow-warn-5.c b/gcc/testsuite/gcc.dg/overflow-warn-5.c
new file mode 100644
index 0000000..472d4a7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/overflow-warn-5.c
@@ -0,0 +1,7 @@
+/* PR c/27273 */
+/* { dg-do compile } */
+/* { dg-options "-Woverflow" } */
+
+unsigned char rx_async(unsigned char p) {
+ return p & 512; /* { dg-warning "overflow in implicit constant conversion" } */
+}