From: Kai Tietz <ktietz@redhat.com>
Date: Tue, 18 Mar 2014 20:06:37 +0000 (+0100)
Subject: re PR rtl-optimization/56356 (DJGPP compiler crashing)
X-Git-Tag: releases/gcc-4.8.3~248
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e24f107353d02315dc32c4dc40c992787ca4403;p=thirdparty%2Fgcc.git

re PR rtl-optimization/56356 (DJGPP compiler crashing)

	PR rtl-optimization/56356
	* sdbout.c (sdbout_parms): Verify that parms'
	incoming argument is valid.
	(sdbout_reg_parms): Likewise.

From-SVN: r208664
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 740cf785bc73..65f6bfdff1a4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2014-03-18  Kai Tietz  <ktietz@redhat.com>
+
+	PR rtl-optimization/56356
+	* sdbout.c (sdbout_parms): Verify that parms'
+	incoming argument is valid.
+	(sdbout_reg_parms): Likewise.
+
 2014-03-18  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* config/sparc/sparc.c (sparc_do_work_around_errata): Speed up and use
diff --git a/gcc/sdbout.c b/gcc/sdbout.c
index 13c11c296820..44bdf3ef06f6 100644
--- a/gcc/sdbout.c
+++ b/gcc/sdbout.c
@@ -1226,7 +1226,10 @@ static void
 sdbout_parms (tree parms)
 {
   for (; parms; parms = TREE_CHAIN (parms))
-    if (DECL_NAME (parms))
+    if (DECL_NAME (parms)
+	&& TREE_TYPE (parms) != error_mark_node
+	&& DECL_RTL_SET_P (parms)
+	&& DECL_INCOMING_RTL (parms))
       {
 	int current_sym_value = 0;
 	const char *name = IDENTIFIER_POINTER (DECL_NAME (parms));
@@ -1358,7 +1361,10 @@ static void
 sdbout_reg_parms (tree parms)
 {
   for (; parms; parms = TREE_CHAIN (parms))
-    if (DECL_NAME (parms))
+    if (DECL_NAME (parms)
+        && TREE_TYPE (parms) != error_mark_node
+        && DECL_RTL_SET_P (parms)
+        && DECL_INCOMING_RTL (parms))
       {
 	const char *name = IDENTIFIER_POINTER (DECL_NAME (parms));