[Bug debug/53820] [4.8 Regression] ICE in vt_expand_var_loc_chain, at var-tracking.c:8029

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53820

--- Comment #3 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-07-02 15:20:54 UTC ---
This patchlet for var-tracking.c fixes the testcase.  I'm now testing it on
x86_64.  John, would you be so kind as to try to bootstrap it on
hppa64-hp-hpux11.11 to make sure no other such problem remains?  TIA,

--- a/gcc/var-tracking.c
+++ b/gcc/var-tracking.c
@@ -9333,8 +9333,6 @@ vt_add_function_parameter (tree parm)
      based on generic registers.  But the prerequisite is that this argument
      pointer be also the virtual CFA pointer, see vt_initialize.  */
   if (MEM_P (incoming)
-      && stack_realign_drap
-      && arg_pointer_rtx == cfa_base_rtx
       && (XEXP (incoming, 0) == crtl->args.internal_arg_pointer
       || (GET_CODE (XEXP (incoming, 0)) == PLUS
           && XEXP (XEXP (incoming, 0), 0)