re PR tree-optimization/15993 ([lno] Compiler hangs at -O3)

	PR tree-optimization/15993
	* tree-ssa-dom.c (thread_across_edge): Do not thread edge if its
	destination is unchanged.

[[Split portion of a mixed commit.]]

From-SVN: r83241.2

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d0401ebdc820aa3084b0bb19c0e25aee184e529f..f74b850db642299de005615152c1872c708426d6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-06-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
+
+       PR tree-optimization/15993
+       * tree-ssa-dom.c (thread_across_edge): Do not thread edge if its
+       destination is unchanged.
+
 2004-06-16  Andreas Jaeger  <aj@suse.de>
 
        * doc/install.texi (Configuration): Update description for