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fix compile/20010519-1.f regression
- From: Richard Henderson <rth at redhat dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Mon, 11 Mar 2002 18:57:19 -0800
- Subject: fix compile/20010519-1.f regression
Yet another verify_flow_info abort.
This time, local-alloc replaces a register with its REG_EQUIV
label, turning an indirect jump into a direct jump. We fail
to clear the EDGE_ABNORMAL bit, which leads to the sanity check
abort.
Fixed thus.
r~
* toplev.c (rest_of_compilation): Call purge_all_dead_edges
if rebuild_label_notes_after_reload.
Index: toplev.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/toplev.c,v
retrieving revision 1.591
diff -c -p -d -r1.591 toplev.c
*** toplev.c 2002/03/11 21:49:11 1.591
--- toplev.c 2002/03/12 03:10:39
*************** rest_of_compilation (decl)
*** 3225,3230 ****
--- 3225,3231 ----
timevar_push (TV_JUMP);
rebuild_jump_labels (insns);
+ purge_all_dead_edges (0);
timevar_pop (TV_JUMP);
}