diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cfgrtl.c | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3b5970c..3c3e8a3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2001-09-28 Richard Henderson <rth@redhat.com> + + * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails. + 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define. diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index 953ff80..f5e6785 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) |