From: amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 4 Sep 2014 12:18:25 +0000 (+0000)
Subject: 	PR debug/60655
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8da29a6c1ca26f50d35fdeda3851c357d0a8939;p=thirdparty%2Fgcc.git

	PR debug/60655
	* dwarf2out.c (mem_loc_descriptor <PLUS>): Return NULL if addend
	can't be output.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214899 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 94cf799dec76..90af3d4c7d8b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-09-04  Alan Modra  <amodra@gmail.com>
+
+	PR debug/60655
+	* dwarf2out.c (mem_loc_descriptor <PLUS>): Return NULL if addend
+	can't be output.
+
 2014-09-03  Matthew Fortune  <matthew.fortune@imgtec.com>
 
 	* target.def (TARGET_DWARF_FRAME_REG_MODE): New target hook.
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index 21afc3fe21ea..23a80d831cbe 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -12699,7 +12699,7 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
 	      op1 = mem_loc_descriptor (XEXP (rtl, 1), mode, mem_mode,
 					VAR_INIT_STATUS_INITIALIZED);
 	      if (op1 == 0)
-		break;
+		return NULL;
 	      add_loc_descr (&mem_loc_result, op1);
 	      add_loc_descr (&mem_loc_result,
 			     new_loc_descr (DW_OP_plus, 0, 0));