Closed Bug 540242 Opened 15 years ago Closed 15 years ago

TM: "Assertion failure: regs.sp[-1] == OBJECT_TO_JSVAL(fp->scopeChain), at ../jsops.cpp"

Categories

(Core :: JavaScript Engine, defect)

Product:
Core
Component:
JavaScript Engine
Platform:
x86
macOS
Type:
defect
Priority:
Not set
Severity:
critical

Tracking

()

Status:
RESOLVED DUPLICATE of bug 540528

People

(Reporter: gkw, Unassigned)

References

Details

(Keywords: assertion, regression, testcase) 

for (let a = 0; a < 5; a++) {
  b = a
}
(function() {
  var c;
  eval("\
    for (t in [0, 0, 0, 0]) {}\
      with({}) {\
        c = b\
      }\
  ");
})()

asserts js debug shell with -j on TM tip at Assertion failure: regs.sp[-1] == OBJECT_TO_JSVAL(fp->scopeChain), at ../jsops.cpp:185

autoBisect shows this is probably related to bug 495331:

The first bad revision is:
changeset:   37046:910ee7db07de
user:        David Mandelin
date:        Fri Jan 15 11:32:14 2010 -0800
summary:     Bug 495331: trace JSOP_LAMBDA for non-heavyweight, non-null closures, r=jorendorff,dvander
Status: NEW → RESOLVED
Closed: 15 years ago
Resolution: --- → DUPLICATE
A testcase for this bug was automatically identified at js/src/jit-test/tests/closures/bug540242.js.
Flags: in-testsuite+
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