wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-09-05 23:38:38 +09:00
Code Issues Projects Releases Packages Wiki Activity

Don't mark MGetFirstDollarIndex as movable.

Browse source
This commit is contained in:
wolfbeast 2018-10-31 17:30:52 +01:00 • committed by Roy Tam
commit c554052ddd
1 changed files with 4 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
js/src/jit/MIR.h
View file

@ -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: