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| author | Jeff Law <law@gcc.gnu.org> | 1998-12-02 02:14:57 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-12-02 02:14:57 -0700 |
| commit | b7f7462b7a23b0e5465e66f1738f3caf22a38b65 (patch) | |
| tree | 6d4572e2f7f7ef36b60eaf29f14af7759886dc81 /gcc/flow.c | |
| parent | 2536e1eefe226d841cee6d45dd11031b75e862d8 (diff) | |
| download | gcc-b7f7462b7a23b0e5465e66f1738f3caf22a38b65.zip gcc-b7f7462b7a23b0e5465e66f1738f3caf22a38b65.tar.gz gcc-b7f7462b7a23b0e5465e66f1738f3caf22a38b65.tar.bz2 | |
flow.c (delete_block): Call set_last_insn after we have reset NEXT_INSN (kept_tail).
8
* flow.c (delete_block): Call set_last_insn after we have reset
NEXT_INSN (kept_tail).
From-SVN: r24059
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -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, |