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diff gcc/testsuite/gcc.dg/void-cast-2.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/gcc.dg/void-cast-2.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,8 @@
+/* Test further cases of warnings for comma expressions, with and
+   without casts to void.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile } */
+/* { dg-options "-Wall" } */
+int a, b, c, d;
+int e(void) { return (char)a, b; } /* { dg-warning "left-hand operand of comma expression has no effect" } */
+int f(void) { return (a ? (void)b : (void)c), d; } /* { dg-warning "left-hand operand of comma expression has no effect" } */