From a3623c481c3379242f97892668cee5a74bdd99b2 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 28 Sep 2001 17:25:08 -0700 Subject: [PATCH] * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails. From-SVN: r45870 --- gcc/ChangeLog | 4 ++++ gcc/cfgrtl.c | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3b5970c0a95..3c3e8a3ef8a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2001-09-28 Richard Henderson + + * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails. + 2001-09-28 Rainer Orth * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define. 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) -- 2.30.2