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| author | wolfbeast <mcwerewolf@gmail.com> | 2018-11-28 23:10:30 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@gmail.com> | 2018-11-28 23:10:30 +0100 |
| commit | 088c3cf890cc2d96f2093e2116612cbf65bfaeea (patch) | |
| tree | b4d3c68155f2de43432dd00c167d3029732be146 /js/src/jit/MIR.h | |
| parent | ec3829bf7266ebec111f41268c6c491356576df1 (diff) | |
| parent | fe11e14d3cfc2900facf152257acda87280b6cdc (diff) | |
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Merge branch 'master' into Sync-weave
Diffstat (limited to 'js/src/jit/MIR.h')
| -rw-r--r-- | js/src/jit/MIR.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h index 6ec05af76..b2e84322f 100644 --- a/js/src/jit/MIR.h +++ b/js/src/jit/MIR.h @@ -8272,7 +8272,10 @@ class MGetFirstDollarIndex : MUnaryInstruction(str) { setResultType(MIRType::Int32); - setMovable(); + + // Codegen assumes string length > 0 but that's not guaranteed in RegExp. + // Don't allow LICM to move this. + MOZ_ASSERT(!isMovable()); } public: |