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: r208665

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f6867dcc11b24a894856a53d88bb8a6eceef3513..78b39c74d1111566be67704e2b7d823462ea37fd 100644 (file)
--- 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  Richard Biener  <rguenther@suse.de>
 
        Backport from mainline

diff --git a/gcc/sdbout.c b/gcc/sdbout.c
index 255c68e7b048397a41d6119319568bab09822e4f..4d42da9221eeae2305e5b2daa95e2abed80a6e47 100644 (file)
--- a/gcc/sdbout.c
+++ b/gcc/sdbout.c
@@ -1264,7 +1264,10 @@ 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));
@@ -1396,7 +1399,10 @@ 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));