Commit 401a009b authored by Nicolas B. Pierron's avatar Nicolas B. Pierron
Browse files

Bug 794286 - ReconstructPcStack, Keep hidden stack depth only when following gotos. r=luke

parent 428f856e

js/src/jit-test/tests/basic/bug794286.js

0 → 100644
+5 −0
Original line number Diff line number Diff line 
for (var i = 0; i < 1; i++) {

    let y

    if (undefined) continue

    undefined.e

}

js/src/jsopcode.cpp

+5 −1
Original line number Diff line number Diff line
@@ -6431,6 +6431,7 @@ ReconstructPCStack(JSContext *cx, JSScript *script, jsbytecode *target, 
            if (0 < jmpoff && pc + jmpoff <= target) {

                pc += jmpoff;

                oplen = 0;

                /* Use the Hidden pc count if we follow the goto */

                if (hpcdepth != unsigned(-1)) {

                    pcdepth = hpcdepth;

                    hpcdepth = unsigned(-1);
@@ -6438,8 +6439,11 @@ ReconstructPCStack(JSContext *cx, JSScript *script, jsbytecode *target, 
                continue;

            }



            if (!script->hasTrynotes())

            if (!script->hasTrynotes()) {

                /* Use the normal pc count if continue after the goto */

                hpcdepth = unsigned(-1);

                continue;

            }



            /*

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