diff options
| -rw-r--r-- | js/src/jit/IonAnalysis.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/js/src/jit/IonAnalysis.cpp b/js/src/jit/IonAnalysis.cpp index 90303255d..2c9ffb607 100644 --- a/js/src/jit/IonAnalysis.cpp +++ b/js/src/jit/IonAnalysis.cpp @@ -2188,6 +2188,12 @@ IsRegExpHoistable(MIRGenerator* mir, MDefinition* regexp, MDefinitionVector& wor bool jit::MakeMRegExpHoistable(MIRGenerator* mir, MIRGraph& graph) { + // If we are compiling try blocks, regular expressions may be observable + // from catch blocks (which Ion does not compile). For now just disable the + // pass in this case. + if (graph.hasTryBlock()) + return true; + MDefinitionVector worklist(graph.alloc()); for (ReversePostorderIterator block(graph.rpoBegin()); block != graph.rpoEnd(); block++) { |