c-parser.c (c_parser_omp_declare_simd): Reject declare simd in pragma_stmt context.

	* c-parser.c (c_parser_omp_declare_simd): Reject declare simd in
	pragma_stmt context.

	* gcc.dg/gomp/declare-simd-1.c (f9): Remove.
	* gcc.dg/gomp/declare-simd-5.c: New test.

From-SVN: r255116

gcc/c/ChangeLog

+2017-11-23  Jakub Jelinek  <jakub@redhat.com>
+
+	* c-parser.c (c_parser_omp_declare_simd): Reject declare simd in
+	pragma_stmt context.
+
 2017-11-23  Mike Stump  <mikestump@comcast.net>
 	    Eric Botcazou  <ebotcazou@adacore.com>
 

gcc/c/c-parser.c

@@ -17486,11 +17486,11 @@ c_parser_omp_declare_simd (c_parser *parser, enum pragma_context context)
       break;
     case pragma_struct:
     case pragma_param:
+    case pragma_stmt:
       c_parser_error (parser, "%<#pragma omp declare simd%> must be followed by "
 			      "function declaration or definition");
       break;
     case pragma_compound:
-    case pragma_stmt:
       if (c_parser_next_token_is (parser, CPP_KEYWORD)
 	  && c_parser_peek_token (parser)->keyword == RID_EXTENSION)
 	{

gcc/testsuite/ChangeLog

 2017-11-23  Jakub Jelinek  <jakub@redhat.com>
 
+	* gcc.dg/gomp/declare-simd-1.c (f9): Remove.
+	* gcc.dg/gomp/declare-simd-5.c: New test.
+
 	* g++.dg/pr65240-1.C: Add -Wno-return-type to dg-options.
 	* g++.dg/pr65240-2.C: Likewise.
 	* g++.dg/pr65240-3.C: Likewise.

gcc/testsuite/gcc.dg/gomp/declare-simd-1.c

@@ -58,18 +58,6 @@ f7 (int x)
 /* { dg-final { scan-assembler-times "_ZGVeM16v_f7:" 1 { target { i?86-*-* x86_64-*-* } } } } */
 /* { dg-final { scan-assembler-times "_ZGVeN16v_f7:" 1 { target { i?86-*-* x86_64-*-* } } } } */
 
-int
-f9 (int x)
-{
-  if (x)
-    #pragma omp declare simd simdlen (8) aligned (b : 8 * sizeof (int))
-    extern int f10 (int a, int *b, int c);
-  while (x < 10)
-    #pragma omp declare simd simdlen (8) aligned (b : 8 * sizeof (int))
-    extern int f11 (int a, int *b, int c);
-  return x;
-}
-
 #pragma omp declare simd uniform (a) aligned (b : 8 * sizeof (int)) linear (c : 4) simdlen (8)
 int f12 (int c; int *b; int a; int a, int *b, int c);
 

gcc/testsuite/gcc.dg/gomp/declare-simd-5.c

+/* Test parsing of #pragma omp declare simd */
+/* { dg-do compile } */
+
+int
+f1 (int x)
+{
+  if (x)
+    #pragma omp declare simd simdlen (8) aligned (b : 8 * sizeof (int))
+    extern int f3 (int a, int *b, int c);	/* { dg-error "must be followed by function declaration or definition" } */
+  while (x < 10)
+    #pragma omp declare simd simdlen (8) aligned (b : 8 * sizeof (int))
+    extern int f4 (int a, int *b, int c);	/* { dg-error "must be followed by function declaration or definition" } */
+  {
+lab:
+    #pragma omp declare simd simdlen (8) aligned (b : 8 * sizeof (int))
+    extern int f5 (int a, int *b, int c);	/* { dg-error "must be followed by function declaration or definition" } */
+    x++;					/* { dg-error "expected expression before" "" { target *-*-* } .-1 } */
+  }
+  return x;
+}
+
+int
+f2 (int x)
+{
+  if (x)
+    extern int f6 (int a, int *b, int c);	/* { dg-error "expected expression before" } */
+  while (x < 10)
+    extern int f7 (int a, int *b, int c);	/* { dg-error "expected expression before" } */
+  {
+lab:
+    extern int f8 (int a, int *b, int c);	/* { dg-error "a label can only be part of a statement and a declaration is not a statement" } */
+    x++;
+  }
+  return x;
+}