From 4314b5fcf8cdac3c6cccdb71e2788a496bf3f148 Mon Sep 17 00:00:00 2001 From: Alexandre Oliva Date: Fri, 26 Nov 2010 04:27:24 +0000 Subject: [PATCH] re PR debug/46258 (gcc.dg/tree-ssa/pr23820.c: -fcompare-debug failure with -O3 -ffloat-store) PR debug/46258 * tree-cfg.c (replace_uses_by): Don't mark BBs as altered on debug stmts. From-SVN: r167162 --- gcc/ChangeLog | 6 ++++++ gcc/tree-cfg.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 222af4d7715..6c85de4fdcd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-11-26 Alexandre Oliva + + PR debug/46258 + * tree-cfg.c (replace_uses_by): Don't mark BBs as altered on + debug stmts. + 2010-11-26 Alexandre Oliva * toplev.c (finalize): Add no_backend parameter. Don't finish diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 0745a681347..7944f8c7809 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -1570,7 +1570,7 @@ replace_uses_by (tree name, tree val) size_t i; fold_stmt_inplace (stmt); - if (cfgcleanup_altered_bbs) + if (cfgcleanup_altered_bbs && !is_gimple_debug (stmt)) bitmap_set_bit (cfgcleanup_altered_bbs, gimple_bb (stmt)->index); /* FIXME. This should go in update_stmt. */