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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-12-02 09:14:57 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-12-02 09:14:57 +0000 |
| commit | 5f4f0be060bd88cabe5251cbe5187178ea83049e (patch) | |
| tree | 6d4572e2f7f7ef36b60eaf29f14af7759886dc81 /gcc/flow.c | |
| parent | ab9169d150bf8e1198b4b552edc3939ee684d26e (diff) | |
| download | gcc-5f4f0be060bd88cabe5251cbe5187178ea83049e.tar.gz | |
8
* flow.c (delete_block): Call set_last_insn after we have reset
NEXT_INSN (kept_tail).
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24059 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/flow.c b/gcc/flow.c index 825bf22294b..cc76a9ccb2b 100644 --- a/gcc/flow.c +++ b/gcc/flow.c @@ -1026,11 +1026,15 @@ delete_block (i) NEXT_INSN (PREV_INSN (basic_block_head[i])) = kept_head; if (insn != 0) PREV_INSN (insn) = kept_tail; - else - set_last_insn (kept_tail); PREV_INSN (kept_head) = PREV_INSN (basic_block_head[i]); NEXT_INSN (kept_tail) = insn; + + /* This must happen after NEXT_INSN (kept_tail) has been reinitialized + since set_last_insn will abort if it detects a non-NULL NEXT_INSN + field in its argument. */ + if (insn == NULL_RTX) + set_last_insn (kept_tail); } /* Each time we delete some basic blocks, |