[Bug c/52290] [4.4/4.5/4.6/4.7 Regression] internal compiler error: tree check: expected function_decl, have var_decl in start_function, at c-decl.c:7712

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52290

--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2012-02-22 23:24:07 
UTC ---
How about:

Index: c-decl.c
===================================================================
--- c-decl.c    (revision 184492)
+++ c-decl.c    (working copy)
@@ -7702,7 +7702,8 @@ start_function (struct c_declspecs *declspecs, str

   /* 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);