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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/cfgrtl.c5
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6742bbf..da5ccea 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-11-27 Dehao Chen <dehao@google.com>
+
+ * cfgrtl.c (rtl_merge_blocks): Check with UNKNOWN_LOCATION correctly.
+ (cfg_layout_merge_blocks): Likewise.
+
2012-11-27 Jakub Jelinek <jakub@redhat.com>
* passes.c (init_optimization_passes): Add pass_asan and pass_tsan
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index a5bb974..197f871 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -890,7 +890,8 @@ rtl_merge_blocks (basic_block a, basic_block b)
df_bb_delete (b->index);
/* If B was a forwarder block, propagate the locus on the edge. */
- if (forwarder_p && !EDGE_SUCC (b, 0)->goto_locus)
+ if (forwarder_p
+ && LOCATION_LOCUS (EDGE_SUCC (b, 0)->goto_locus) == UNKNOWN_LOCATION)
EDGE_SUCC (b, 0)->goto_locus = EDGE_SUCC (a, 0)->goto_locus;
if (dump_file)
@@ -4149,7 +4150,7 @@ cfg_layout_merge_blocks (basic_block a, basic_block b)
/* If B was a forwarder block, propagate the locus on the edge. */
if (forwarder_p
- && LOCATION_LOCUS (EDGE_SUCC (b, 0)->goto_locus) != UNKNOWN_LOCATION)
+ && LOCATION_LOCUS (EDGE_SUCC (b, 0)->goto_locus) == UNKNOWN_LOCATION)
EDGE_SUCC (b, 0)->goto_locus = EDGE_SUCC (a, 0)->goto_locus;
if (dump_file)