Status: New
Owner: ----
New issue 191 by nth10sd:
CHECK(context_ext->GetLocalPropertyAttribute(*name) == mode) failed
http://code.google.com/p/v8/issues/detail?id=191
({}).__proto__.__defineSetter__("x", function(){});
function f(foo) { eval(foo); }
f("var x, x = null;");
This seems to work as expected in opt compiled with "scons mode=release
library=static snapshot=on sample=shell".
This asserts debug compiled with "scons mode=debug library=shared
snapshot=on sample=shell" at
CHECK(context_ext->GetLocalPropertyAttribute(*name) == mode) failed
===
$ ./shell_g
V8 version 0.4.8 (candidate)
> ({}).__proto__.__defineSetter__("x", function(){});
function f(foo) { eval(foo); }
f("var x, x = null;");
[object Object]
> >
#
# Fatal error in src/runtime.cc, line 557
# CHECK(context_ext->GetLocalPropertyAttribute(*name) == mode) failed
#
==== Stack trace ============================================
Security context: 0x1c0d449 <JS Object>#0#
1: /* anonymous */(this=0x1c0d47d <JS Global Object>#1#)
2: arguments adaptor frame: 1->0
3: f(this=0x1c0d47d <JS Global Object>#1#,foo=0x1e07171 <String[16]:
var x, x = null;>)
4: /* anonymous */(this=0x1c0d47d <JS Global Object>#1#)
==== Details ================================================
[1]: /* anonymous */(this=0x1c0d47d <JS Global Object>#1#) {
// stack-allocated locals
var .result = 0x1e00135 <undefined>
// expression stack (top to bottom)
[04] : 0
[03] : 0
[02] : 0x1e001e1 <String[1]: x>
[01] : 0x181fd75 <FixedArray[7]>#2#
--------- s o u r c e c o d e ---------
var x, x = null;
-----------------------------------------
}
[2]: arguments adaptor frame: 1->0 {
// actual arguments
[00] : 0x1e07171 <String[16]: var x, x = null;> // not passed to callee
}
[3]: f(this=0x1c0d47d <JS Global Object>#1#,foo=0x1e07171 <String[16]: var
x, x = null;>) {
// heap-allocated locals
var .arguments = 0x181fd55 <an Arguments>>#3#
var arguments = 0x181fd55 <an Arguments>>#3#
// expression stack (top to bottom)
[00] : 0x1c0f8e5 <JS Function>#4#
--------- s o u r c e c o d e ---------
function f(foo) { eval(foo); }
-----------------------------------------
}
[4]: /* anonymous */(this=0x1c0d47d <JS Global Object>#1#) {
// stack-allocated locals
var .result = 0x1e00135 <undefined>
// expression stack (top to bottom)
[01] : 0x1e03ed9 <String[1]: f>
--------- s o u r c e c o d e ---------
f("var x, x = null;");?
-----------------------------------------
}
==== Key ============================================
#0# 0x1c0d449: 0x1c0d449 <JS Object>
NaN: 0x1e03e4d <Number: nan>
Math: 0x180ed29 <a MathConstructor>>#5#
Infinity: 0x1e04111 <Number: inf>
undefined: 0x1e00135 <undefined>
#1# 0x1c0d47d: 0x1c0d47d <JS Global Object>
#2# 0x181fd75: 0x181fd75 <FixedArray[7]>
0: 0x1c0f83d <JS Function f>#6#
1: 0x181fd75 <FixedArray[7]>#2#
2: 0
3: 0x181fff1 <JS Object>#7#
4: 0x1c0d449 <JS Object>#0#
5: 0x181fd55 <an Arguments>>#3#
6: 0x181fd55 <an Arguments>>#3#
#3# 0x181fd55: 0x181fd55 <an Arguments>>
callee: 0x1c0f83d <JS Function f>#6#
length: 1
#4# 0x1c0f8e5: 0x1c0f8e5 <JS Function>
#5# 0x180ed29: 0x180ed29 <a MathConstructor>>
E: 0x1e05695 <Number: 2.718281828459045>
PI: 0x1e05715 <Number: 3.141592653589793>
LN2: 0x1e056c5 <Number: 0.6931471805599453>
LN10: 0x1e056ad <Number: 2.302585092994046>
SQRT2: 0x1e0574d <Number: 1.414213562373095>
LOG2E: 0x1e056e1 <Number: 1.442695040888963>
LOG10E: 0x1e056fd <Number: 0.4342944819032518>
SQRT1_2: 0x1e05731 <Number: 0.7071067811865476>
#6# 0x1c0f83d: 0x1c0f83d <JS Function f>
#7# 0x181fff1: 0x181fff1 <JS Object>
=====================
Abort trap
$ svn log | head
------------------------------------------------------------------------
r1072 | [email protected] | 2009-01-14 20:13:26 +0800 (Wed, 14 Jan 2009) |
7 lines
Fix issue 186:
http://code.google.com/p/v8/issues/detail?id=186
Create a new instance type for context extension objects. Use it to
not use the __proto__ accessor for context extension objects.
Review URL: http://codereview.chromium.org/18044
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