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

gcc/testsuite/ChangeLog:
	* gnu89-const-expr-1.c: Avoid diagnosing __alignof__ as not conforming.
	* gnu90-const-expr-1.c: Same.
	* gnu99-const-expr-1.c: Same.
	* gnu99-static-1.c: Same.

From-SVN: r237606

gcc/testsuite/ChangeLog

+2016-06-20  Martin Sebor  <msebor@redhat.com>
+
+	PR c/69507
+	* gnu89-const-expr-1.c: Avoid diagnosing __alignof__ as not conforming.
+	* gnu90-const-expr-1.c: Same.
+	* gnu99-const-expr-1.c: Same.
+	* gnu99-static-1.c: Same.
+
 2016-06-20  Renlin Li  <renlin.li@arm.com>
 
 	* gcc.dg/tree-ssa/attr-hotcold-2.c: Fix syntax errors.

gcc/testsuite/gcc.dg/gnu89-const-expr-1.c

@@ -23,7 +23,7 @@ f (void)
     E5 = __imag__ 0,
     /* __alignof__ always constant.  */
     E6 = __alignof__ (int[n]), /* { dg-error "ISO C90 forbids variable length array" } */
-    E7 = __alignof__ (a), /* { dg-error "__alignof__ \\(expression\\)" } */
+    E7 = __alignof__ (a),
     /* __extension__ ignored for constant expression purposes.  */
     E8 = __extension__ (1 ? 0 : i++), /* { dg-error "constant expression" } */
     E9 = __extension__ 0,

gcc/testsuite/gcc.dg/gnu90-const-expr-1.c

@@ -23,7 +23,7 @@ f (void)
     E5 = __imag__ 0,
     /* __alignof__ always constant.  */
     E6 = __alignof__ (int[n]), /* { dg-error "ISO C90 forbids variable length array" } */
-    E7 = __alignof__ (a), /* { dg-error "__alignof__ \\(expression\\)" } */
+    E7 = __alignof__ (a),
     /* __extension__ ignored for constant expression purposes.  */
     E8 = __extension__ (1 ? 0 : i++), /* { dg-error "constant expression" } */
     E9 = __extension__ 0,

gcc/testsuite/gcc.dg/gnu99-const-expr-1.c

@@ -23,7 +23,7 @@ f (void)
     E5 = __imag__ 0,
     /* __alignof__ always constant.  */
     E6 = __alignof__ (int[n]),
-    E7 = __alignof__ (a), /* { dg-error "__alignof__ \\(expression\\)" } */
+    E7 = __alignof__ (a),
     /* __extension__ ignored for constant expression purposes.  */
     E8 = __extension__ (1 ? 0 : i++), /* { dg-error "constant expression" } */
     E9 = __extension__ 0,

gcc/testsuite/gcc.dg/gnu99-static-1.c

@@ -10,8 +10,8 @@
 /* { dg-options "-O2 -std=gnu99 -pedantic-errors" } */
 
 /* __alignof__, OK.  */
-static int f0(void);
-void g0(void) { __alignof__(f0()); } /* { dg-error "__alignof__ \\(expression\\)" } */
+static int f0(void); 
+void g0(void) { __alignof__(f0()); }
 
 /* __typeof__ not variably modified, OK.  */
 static int f1(void);