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Bug 1315943 - Part 1: Fix NumClosedOverBindingsLimit value. r=till

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--HG--
extra : amend_source : 99b256707e0970747f97f79ea683a767f9d37337
This commit is contained in:
Tooru Fujisawa 2016-11-09 17:54:26 +09:00
parent 134e80abde
commit 73b84e56c3
2 changed files with 14 additions and 1 deletions
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11
js/src/jit-test/tests/auto-regress/bug1315943.js Normal file
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@ -0,0 +1,11 @@
var s = "{}";
for (var i = 0; i < 21; i++) s += s;
var g = newGlobal();
var dbg = Debugger(g);
dbg.onDebuggerStatement = function(frame) {
var s = frame.eval("f").return.script;
};
g.eval("line0 = Error().lineNumber;\n" + "debugger;\n" + // line0 + 1
"function f(i) {\n" + // line0 + 2
s + // line0 + 3 ... line0 + where - 2
"}\n");

4
js/src/jsscript.h
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@ -1910,7 +1910,9 @@ class LazyScript : public gc::TenuredCell
uint32_t shouldDeclareArguments : 1;
uint32_t hasThisBinding : 1;
uint32_t isAsync : 1;
// The number of bits should match to NumClosedOverBindingsLimit.
uint32_t numClosedOverBindings : 21;
// The number of bits should match to NumInnerFunctionsLimit.
uint32_t numInnerFunctions : 20;
uint32_t generatorKindBits : 2;
@ -1951,7 +1953,7 @@ class LazyScript : public gc::TenuredCell
uint32_t lineno, uint32_t column);
public:
static const uint32_t NumClosedOverBindingsLimit = 1 << 22;
static const uint32_t NumClosedOverBindingsLimit = 1 << 21;
static const uint32_t NumInnerFunctionsLimit = 1 << 20;
// Create a LazyScript and initialize closedOverBindings and innerFunctions