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-rw-r--r--js/src/frontend/BytecodeEmitter.cpp6
-rw-r--r--js/src/tests/ecma_6/Statements/for-inof-finally.js32
2 files changed, 31 insertions, 7 deletions
diff --git a/js/src/frontend/BytecodeEmitter.cpp b/js/src/frontend/BytecodeEmitter.cpp
index bf7797d37..76f1f75b5 100644
--- a/js/src/frontend/BytecodeEmitter.cpp
+++ b/js/src/frontend/BytecodeEmitter.cpp
@@ -2396,6 +2396,9 @@ NonLocalExitControl::prepareForNonLocalJump(BytecodeEmitter::NestableControl* ta
}
}
+ if (!flushPops(bce_))
+ return false;
+
if (target && target->is<ForOfLoopControl>() && emitIteratorCloseAtTarget) {
hasForOfLoopsWithIteratorClose = true;
if (!target->as<ForOfLoopControl>().finishIterCloseTryNote(bce_))
@@ -2417,9 +2420,6 @@ NonLocalExitControl::prepareForNonLocalJump(BytecodeEmitter::NestableControl* ta
return false;
}
- if (!flushPops(bce_))
- return false;
-
// See comment in ForOfLoopControl.
if (hasForOfLoopsWithIteratorClose) {
for (NestableControl* control = bce_->innermostNestableControl;
diff --git a/js/src/tests/ecma_6/Statements/for-inof-finally.js b/js/src/tests/ecma_6/Statements/for-inof-finally.js
index 187dcdaf5..e1f0c77e1 100644
--- a/js/src/tests/ecma_6/Statements/for-inof-finally.js
+++ b/js/src/tests/ecma_6/Statements/for-inof-finally.js
@@ -4,6 +4,24 @@ var summary =
print(BUGNUMBER + ": " + summary);
+var called = 0;
+function reset() {
+ called = 0;
+}
+var obj = {
+ [Symbol.iterator]() {
+ return {
+ next() {
+ return { value: 10, done: false };
+ },
+ return() {
+ called++;
+ return {};
+ }
+ };
+ }
+};
+
var a = (function () {
for (var x in [0]) {
try {} finally {
@@ -13,32 +31,37 @@ var a = (function () {
})();
assertEq(a, 11);
+reset();
var b = (function () {
- for (var x of [0]) {
+ for (var x of obj) {
try {} finally {
return 12;
}
}
})();
+assertEq(called, 1);
assertEq(b, 12);
+reset();
var c = (function () {
for (var x in [0]) {
- for (var y of [0]) {
+ for (var y of obj) {
try {} finally {
return 13;
}
}
}
})();
+assertEq(called, 1);
assertEq(c, 13);
+reset();
var d = (function () {
for (var x in [0]) {
- for (var y of [0]) {
+ for (var y of obj) {
try {} finally {
for (var z in [0]) {
- for (var w of [0]) {
+ for (var w of obj) {
try {} finally {
return 14;
}
@@ -48,6 +71,7 @@ var d = (function () {
}
}
})();
+assertEq(called, 2);
assertEq(d, 14);
if (typeof reportCompare === "function")