re PR target/45206 (ICE on __builtin_eh_return at -Os)

	PR target/45206
	* config/i386/i386.c (ix86_expand_epilogue): Mark SP valid after
	eh_return fixup sequence.

testsuite/ChangeLog:

	PR target/45206
	* gcc.target/i386/pr45206.c: New test.

From-SVN: r163955

gcc/ChangeLog

+2010-09-07  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/45206
+	* config/i386/i386.c (ix86_expand_epilogue): Mark SP as valid after
+	eh_return fixup sequence.
+
 2010-09-07  Jan Hubicka  <jh@suse.cz>
 
 	* gimple.c (maybe_fold_reference): Verify that operand is
@@ -19,8 +25,7 @@
 
 2010-09-07  Richard Guenther  <rguenther@suse.de>
 
-	* tree-pretty-print.c (dump_generic_node): Dump void types
-	as void.
+	* tree-pretty-print.c (dump_generic_node): Dump void types as void.
 
 2010-09-07  Bernd Schmidt  <bernds@codesourcery.com>
 

gcc/config/i386/i386.c

@@ -10118,6 +10118,7 @@ ix86_expand_epilogue (int style)
 		}
 	    }
 	  m->fs.sp_offset = UNITS_PER_WORD;
+	  m->fs.sp_valid = true;
 	}
     }
   else

gcc/testsuite/ChangeLog

+2010-09-07  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/45206
+	* gcc.target/i386/pr45206.c: New test.
+
 2010-09-07  Hans-Peter Nilsson  <hp@axis.com>
 
 	PR fortran/45505

gcc/testsuite/gcc.target/i386/pr45206.c

+/* { dg-do compile } */
+/* { dg-options "-Os -fno-omit-frame-pointer" } */
+
+struct _Unwind_Context { void *ra; };
+
+long uw_install_context_1 (struct _Unwind_Context *, struct _Unwind_Context *);
+
+void _Unwind_RaiseException(void)
+{
+  struct _Unwind_Context this_context, cur_context;
+  long offset = uw_install_context_1 (&this_context, &cur_context);
+  void *handler = __builtin_frob_return_addr ((&cur_context)->ra);
+
+  __builtin_eh_return (offset, handler);
+}
+