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authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2001-09-29 00:25:08 +0000
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2001-09-29 00:25:08 +0000
commitd6a1c27f92e25d7d1c936ef6b58f58ffdda210a1 (patch)
tree97676af7eee281b7d513ba1855af4a279d64d235 /gcc/cfgrtl.c
parentba6690e379a82d6ff3829f201a3f9dea833d6052 (diff)
downloadgcc-d6a1c27f92e25d7d1c936ef6b58f58ffdda210a1.tar.gz
* cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45870 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgrtl.c')
-rw-r--r--gcc/cfgrtl.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index 953ff80dc83..f5e678545b7 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -860,7 +860,10 @@ redirect_edge_and_branch (e, target)
/* If the insn doesn't go where we think, we're confused. */
if (JUMP_LABEL (insn) != old_label)
abort ();
- redirect_jump (insn, block_label (target), 0);
+ /* If the substitution doesn't succeed, die. This can happen
+ if the back end emitted unrecognizable instructions. */
+ if (! redirect_jump (insn, block_label (target), 0))
+ abort ();
}
if (rtl_dump_file)