Commit c18dbbb1 authored by Nicolas B. Pierron's avatar Nicolas B. Pierron
Browse files

Bug 787309 - Fallback on try notes after continuing on a goto. r=luke

parent c55c29c7

js/src/jit-test/tests/basic/bug787309.js

0 → 100644
+7 −0
Original line number Diff line number Diff line 
// |jit-test| error: TypeError

try {

    h

} catch (x

if gc()) {} finally {

    this.z.z

}

js/src/jsopcode.cpp

+21 −0
Original line number Diff line number Diff line
@@ -6437,6 +6437,27 @@ ReconstructPCStack(JSContext *cx, JSScript *script, jsbytecode *target, 
                }

                continue;

            }



            if (!script->hasTrynotes())

                continue;



            // If we do not follow a goto we look for another mean to continue

            // at the next PC.

            JSTryNote *tn = script->trynotes()->vector;

            JSTryNote *tnEnd = tn + script->trynotes()->length;

            for (; tn != tnEnd; tn++) {

                jsbytecode *start = script->main() + tn->start;

                jsbytecode *end = start + tn->length;

                if (start < pc && pc <= end && end <= target)

                    break;

            }

            if (tn != tnEnd) {

                pcdepth = tn->stackDepth;

                hpcdepth = unsigned(-1);

                oplen = 0;

                pc = script->main() + tn->start + tn->length;

            }

            continue;

        }



        /*