diff options
author | mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-06 04:52:33 +0000 |
---|---|---|
committer | mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-06 04:52:33 +0000 |
commit | 727ceb2a952de5279f65f039af058e246b0cf29a (patch) | |
tree | 2d73229ec1046f44646376f3d524d9bb1788fb00 /safe.c | |
parent | fcf8c622fd3d4e288c40205bd0f745eeb5844705 (diff) |
Fix a bug of peephole optimization
```
if L1
L0:
jump L2
L1:
...
L2:
```
was wrongly optimized to:
```
unless L2
L0:
L1:
...
L2:
```
To make it conservative, this optimization is now disabled when there is
any label between `if` and `jump` instructions.
Fixes [Bug #14897].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63868 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'safe.c')
0 files changed, 0 insertions, 0 deletions