2000-08-22  Richard Henderson  <rth@cygnus.com>

	* alias.c (init_alias_analysis): Do not register
	struct_value_incoming_rtx or static_chain_rtx as pointing
	to stack memory.

*** gcc/alias.c	2000/08/18 02:41:58	1.93
--- gcc/alias.c	2000/08/22 08:41:32
*************** init_alias_analysis ()
*** 1983,1997 ****
        new_reg_base_value[HARD_FRAME_POINTER_REGNUM]
  	= gen_rtx_ADDRESS (Pmode, hard_frame_pointer_rtx);
  #endif
-       if (struct_value_incoming_rtx
- 	  && GET_CODE (struct_value_incoming_rtx) == REG)
- 	new_reg_base_value[REGNO (struct_value_incoming_rtx)]
- 	  = gen_rtx_ADDRESS (Pmode, struct_value_incoming_rtx);
- 
-       if (static_chain_rtx
- 	  && GET_CODE (static_chain_rtx) == REG)
- 	new_reg_base_value[REGNO (static_chain_rtx)]
- 	  = gen_rtx_ADDRESS (Pmode, static_chain_rtx);
  
        /* Walk the insns adding values to the new_reg_base_value array.  */
        for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
--- 1983,1988 ----
*** gcc/testsuite/gcc.c-torture/execute/20000822-1.c	Wed Aug 23 14:17:08 2000
--- gcc/testsuite/gcc.c-torture/execute/20000822-1.c	Wed Aug 23 14:04:57 2000
***************
*** 0 ****
--- 1,24 ----
+ int f0(int (*fn)(int *), int *p)
+ {
+   return (*fn) (p);
+ }
+ 
+ int f1(void)
+ {
+   int i = 0;
+ 
+   int f2(int *p)
+   {
+     i = 1;
+     return *p + 1;
+   }
+ 
+   return f0(f2, &i);
+ }
+ 
+ int main()
+ {
+   if (f1() != 2)
+     abort ();
+   return 0;
+ }