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diff gcc/testsuite/c-c++-common/Wint-in-bool-context-3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/Wint-in-bool-context-3.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,15 @@
+/* { dg-options "-Wint-in-bool-context" } */
+/* { dg-do compile } */
+
+#define BITS_PER_UNIT 8
+
+int foo (int count)
+{
+  int alignment;
+ 
+  alignment = 1;
+  while (!(count & alignment)
+         && (alignment * 2 * BITS_PER_UNIT)) /* { dg-warning "boolean context" } */
+    alignment <<= 1;
+  return alignment * BITS_PER_UNIT;
+}