* cfgrtl.c (commit_edge_insertions): Rebuild jump labels chain.

From-SVN: r272930

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c206ab6..b8f7bab 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -4,7 +4,7 @@
        to be inserted on single successor edge of the entry block.  Then call
        commit_edge_insertions instead of inserting the instructions manually.
        * cfgrtl.c (commit_edge_insertions): Do not verify flow info during
-       RTL expansion.
+       RTL expansion and rebuild jump labels chain.
 
 2019-07-02  Richard Biener  <rguenther@suse.de>
 

diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index fb0350d..4853ce4 100644 (file)
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -2116,7 +2116,11 @@ commit_edge_insertions (void)
 
       FOR_EACH_EDGE (e, ei, bb->succs)
        if (e->insns.r)
-         commit_one_edge_insertion (e);
+         {
+           if (currently_expanding_to_rtl)
+             rebuild_jump_labels_chain (e->insns.r);
+           commit_one_edge_insertion (e);
+         }
     }
 }
 \f