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diff gcc/testsuite/gcc.dg/union-cast-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/gcc.dg/union-cast-3.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-std=c99 -pedantic-errors" } */
+/* PR 23155
+   We should get one error messag, one about union cast. */
+
+
+union vx {short f[8]; int v;};
+int vec;
+
+void
+foo5 (int vec)
+{
+  ((union vx) vec).f[5] = 1; /* { dg-error "forbids casts to union type" } */
+}