From: Daniel Berlin <dberlin@dberlin.org>
Date: Mon, 13 Nov 2006 02:18:07 +0000 (+0000)
Subject: re PR java/29587 (jc1: out of memory allocating 4072 bytes after a total of 708630224... 
X-Git-Tag: releases/gcc-4.3.0~8505
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=163b8581869310a93a40d44711095674ba76ca77;p=thirdparty%2Fgcc.git

re PR java/29587 (jc1: out of memory allocating 4072 bytes after a total of 708630224 bytes)

2006-11-12  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/29587
	* tree-ssa-structalias.c (process_constraint): Don't
	mark address taken due only to escaped vars constraint.

From-SVN: r118742
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bf326de9eea9..ce01cd2c684f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-11-12  Daniel Berlin  <dberlin@dberlin.org>
+
+	Fix PR tree-optimization/29587
+	* tree-ssa-structalias.c (process_constraint): Don't
+	mark address taken due only to escaped vars constraint.
+
 2006-11-12  Michael Matz  <matz@suse.de>
 	    Roger Sayle  <roger@eyesopen.com>
 
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c
index c7ee8aabaecd..42099ddedd4a 100644
--- a/gcc/tree-ssa-structalias.c
+++ b/gcc/tree-ssa-structalias.c
@@ -2327,8 +2327,11 @@ process_constraint (constraint_t t)
       varinfo_t vi;
       gcc_assert (rhs.offset == 0);
       
-      for (vi = get_varinfo (rhs.var); vi != NULL; vi = vi->next)
-	vi->address_taken = true;
+      /* No need to mark address taken simply because of escaped vars
+	 constraints.  */
+      if (lhs.var != escaped_vars_id)
+	for (vi = get_varinfo (rhs.var); vi != NULL; vi = vi->next)
+	  vi->address_taken = true;
 
       VEC_safe_push (constraint_t, heap, constraints, t);
     }