PR c/69507 - bogus warning: ISO C does not allow ‘__alignof__ (expression)’

From-SVN: r237582

PR c/69507 - bogus warning: ISO C does not allow ‘alignof (expression)’
From-SVN: r237582
5112abec · Martin Sebor · aa0db437 · 5112abec
Commit 5112abec authored Jun 19, 2016 by Martin Sebor
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gcc/testsuite/gcc.dg/alignof.c
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--- a/gcc/testsuite/gcc.dg/alignof.c
+++ b/gcc/testsuite/gcc.dg/alignof.c
+/* PR c/69507 - bogus warning: ISO C does not allow '__alignof__ (expression)'
+ */
+/* { dg-do compile } */
+/* { dg-options "-std=c11 -Wno-error -Wpedantic" } */
+
+extern int e;
+
+int a[] = {
+    __alignof__ (e),
+    _Alignof (e)       /* { dg-warning "ISO C does not allow ._Alignof \\(expression\\)." } */
+};