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: r208663

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e33cb61a5accd2defe76074aef44b8e567e8f457..91b7bcc861c9bcc3304f8644d477790c6b03d391 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 Henderson  <rth@redhat.com>
 
        PR target/60562

diff --git a/gcc/sdbout.c b/gcc/sdbout.c
index 2e781c96273392fec962e66be4d70141bbcb746a..b07824bbe9092d4e9aa72e28e8f595f289bda0ea 100644 (file)
--- a/gcc/sdbout.c
+++ b/gcc/sdbout.c
@@ -1229,7 +1229,10 @@ 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));
@@ -1361,7 +1364,10 @@ 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));