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diff gcc/testsuite/c-c++-common/Wshift-count-negative-1.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 1830386684a0
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/Wshift-count-negative-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-options "-Wshift-count-negative" } */
+
+void foo()
+{
+  unsigned i1 = 1U << -1; /* { dg-warning "left shift count is negative" } */
+  unsigned i2 = 1U >> -1; /* { dg-warning "right shift count is negative" } */
+}