From 2bf87216b2fe2fa2dca9c565771006d355e4f6d8 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Mon, 10 Jun 2002 23:36:15 +0200 Subject: cfgcleanup.c (try_optimize_cfg): Make sure merge_blocks doesn't merge bb with itself. * cfgcleanup.c (try_optimize_cfg): Make sure merge_blocks doesn't merge bb with itself. * gcc.c-torture/compile/20020605-1.c: New test. From-SVN: r54456 --- gcc/cfgcleanup.c | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/cfgcleanup.c') diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c index 2e6e02d..74b8d33 100644 --- a/gcc/cfgcleanup.c +++ b/gcc/cfgcleanup.c @@ -1675,6 +1675,7 @@ try_optimize_cfg (mode) && !(s->flags & EDGE_COMPLEX) && (c = s->dest) != EXIT_BLOCK_PTR && c->pred->pred_next == NULL + && b != c /* If the jump insn has side effects, we can't kill the edge. */ && (GET_CODE (b->end) != JUMP_INSN -- cgit v1.1