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Bug 1357075 - Pad a nop to unwind to the scope just before a destructuring iterator close trynote

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Issue #74
This commit is contained in:
janekptacijarabaci 2018-03-25 18:24:06 +02:00 • committed by Roy Tam
commit ac07311b18
7 changed files with 43 additions and 5 deletions
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5
js/src/vm/Interpreter.cpp
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@ -1080,6 +1080,9 @@ js::UnwindEnvironmentToTryPc(JSScript* script, JSTryNote* tn)
if (tn->kind == JSTRY_CATCH || tn->kind == JSTRY_FINALLY) {
pc -= JSOP_TRY_LENGTH;
MOZ_ASSERT(*pc == JSOP_TRY);
} else if (tn->kind == JSTRY_DESTRUCTURING_ITERCLOSE) {
pc -= JSOP_TRY_DESTRUCTURING_ITERCLOSE_LENGTH;
MOZ_ASSERT(*pc == JSOP_TRY_DESTRUCTURING_ITERCLOSE);
}
return pc;
}
@ -1917,7 +1920,7 @@ CASE(JSOP_UNUSED192)
CASE(JSOP_UNUSED209)
CASE(JSOP_UNUSED210)
CASE(JSOP_UNUSED211)
CASE(JSOP_UNUSED220)
CASE(JSOP_TRY_DESTRUCTURING_ITERCLOSE)
CASE(JSOP_UNUSED221)
CASE(JSOP_UNUSED222)
CASE(JSOP_UNUSED223)