re PR c/52290 (internal compiler error: tree check: expected function_decl, have…

re PR c/52290 (internal compiler error: tree check: expected function_decl, have var_decl in start_function, at c-decl.c:7712)

	PR c/52290
	* c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.

testsuite/ChangeLog:

	PR c/52290
	* gcc.dg/noncompile/pr52290.c: New test.

From-SVN: r184511

gcc/ChangeLog

+2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR c/52290
+	* c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
+
 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
 
 	* config/avr/avr.md (code_stdname): Add ior, xor.

gcc/c-decl.c

@@ -7702,7 +7702,8 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator,
 
   /* If the declarator is not suitable for a function definition,
      cause a syntax error.  */
-  if (decl1 == 0)
+  if (decl1 == 0
+      || TREE_CODE (decl1) != FUNCTION_DECL)
     return 0;
 
   loc = DECL_SOURCE_LOCATION (decl1);

gcc/testsuite/ChangeLog

+2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR c/52290
+	* gcc.dg/noncompile/pr52290.c: New test.
+
 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/52019

gcc/testsuite/gcc.dg/noncompile/pr52290.c

+/* { dg-error "undeclared here" "" { target *-*-* } 3 } */
+/* { dg-error "expected" "" { target *-*-* } 3 } */
+int f()[j]