re PR c/71418 (gcc ICE on x86_64-linux-gnu in min_align_of_type, at stor-layout.c...

	PR c/71418
	* c-decl.c (grokdeclarator): Check TYPE_P.

	* gcc.dg/noncompile/pr71418.c: New test.

From-SVN: r237195

diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index de23e36..8617f08 100644 (file)
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,8 @@
+2016-06-08  Marek Polacek  <polacek@redhat.com>
+
+       PR c/71418
+       * c-decl.c (grokdeclarator): Check TYPE_P.
+
 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
 
        * c-parser.c (c_parser_postfix_expression): In __builtin_offsetof

diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c
index d79802e..ac83e2f 100644 (file)
--- a/gcc/c/c-decl.c
+++ b/gcc/c/c-decl.c
@@ -6313,7 +6313,7 @@ grokdeclarator (const struct c_declarator *declarator,
        }
       else if (TREE_CODE (type) == FUNCTION_TYPE)
        error_at (loc, "alignment specified for function %qE", name);
-      else if (declspecs->align_log != -1)
+      else if (declspecs->align_log != -1 && TYPE_P (type))
        {
          alignas_align = 1U << declspecs->align_log;
          if (alignas_align < min_align_of_type (type))

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 406cc03..607f21c 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-06-08  Marek Polacek  <polacek@redhat.com>
+
+       PR c/71418
+       * gcc.dg/noncompile/pr71418.c: New test.
+
 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
 
        * gcc.dg/ipa/inlinehint-4.c: Disable partial inlining.

diff --git a/gcc/testsuite/gcc.dg/noncompile/pr71418.c b/gcc/testsuite/gcc.dg/noncompile/pr71418.c
new file mode 100644 (file)
index 0000000..e3243f3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/noncompile/pr71418.c
@@ -0,0 +1,4 @@
+/* PR c/71418 */
+/* { dg-do compile } */
+
+_Alignas (int) int a[7++]; /* { dg-error "lvalue required" } */