Remove Feb 13's FUNCTION_NEEDS_STATIC_CHAIN changes.

From-SVN: r9107

gcc/c-decl.c

@@ -4884,9 +4884,6 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
 
 	if (extern_ref)
 	  DECL_EXTERNAL (decl) = 1;
-	else if (current_function_decl != NULL_TREE)
-	    FUNCTION_NEEDS_STATIC_CHAIN (decl) = 1;
-
 	/* Record absence of global scope for `static' or `auto'.  */
 	TREE_PUBLIC (decl)
 	  = !(specbits & ((1 << (int) RID_STATIC) | (1 << (int) RID_AUTO)));

gcc/tree.h

@@ -947,13 +947,6 @@ struct tree_type
    alternative would be passed.  */
 #define DECL_TRANSPARENT_UNION(NODE) ((NODE)->decl.transparent_union)
 
-/* In a FUNCTION_DECL, zero means it is a nested function that needs
-   a trampoline (closure).  If nonzero, it is a normal function.
-   (A nested function can be static if it doesn't need to reference
-   stack variables in a surrounding function.)
-   This is unrelated to whether a function is static in the C sense.  */
-#define FUNCTION_NEEDS_STATIC_CHAIN(NODE) ((NODE)->decl.transparent_union)
-
 /* Used in FUNCTION_DECLs to indicate that they should be run automatically
    at the beginning or end of execution.  */
 #define DECL_STATIC_CONSTRUCTOR(NODE) ((NODE)->decl.static_ctor_flag)