From: Richard Henderson <rth@redhat.com>
Date: Wed, 11 Feb 2015 17:04:38 +0000 (-0800)
Subject: re PR sanitizer/65000 (ICE in in expand_builtin_eh_common, at except.c:2072)
X-Git-Tag: releases/gcc-5.1.0~1009
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b1441be76eb4e340f324e7defb3b644e1f7a6a7;p=thirdparty%2Fgcc.git

re PR sanitizer/65000 (ICE in in expand_builtin_eh_common, at except.c:2072)

PR sanitize/65000

 * tree-eh.c (mark_reachable_handlers): Mark source and destination
 regions of __builtin_eh_copy_values.

From-SVN: r220626
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0f05ee4a25a4..87bf089b7542 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-02-11  Richard Henderson  <rth@redhat.com>
+
+	PR sanitize/65000
+	* tree-eh.c (mark_reachable_handlers): Mark source and destination
+	regions of __builtin_eh_copy_values.
+
 2015-02-11  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/65003
diff --git a/gcc/tree-eh.c b/gcc/tree-eh.c
index 159fa2bee111..3c45f37efbff 100644
--- a/gcc/tree-eh.c
+++ b/gcc/tree-eh.c
@@ -3859,6 +3859,17 @@ mark_reachable_handlers (sbitmap *r_reachablep, sbitmap *lp_reachablep)
 			      gimple_eh_dispatch_region (
                                 as_a <geh_dispatch *> (stmt)));
 	      break;
+	    case GIMPLE_CALL:
+	      if (gimple_call_builtin_p (stmt, BUILT_IN_EH_COPY_VALUES))
+		for (int i = 0; i < 2; ++i)
+		  {
+		    tree rt = gimple_call_arg (stmt, i);
+		    HOST_WIDE_INT ri = tree_to_shwi (rt);
+
+		    gcc_assert (ri = (int)ri);
+		    bitmap_set_bit (r_reachable, ri);
+		  }
+	      break;
 	    default:
 	      break;
 	    }