C runtime crash in the mongo shell due to uninitialized variable 'machine'

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    • Type: Bug
    • Resolution: Done
    • Priority: Major - P3
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    • Affects Version/s: 3.2.0-rc6
    • Component/s: Shell
    • None
    • Fully Compatible
    • Windows
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      E:\workspace\mongo>mongo.exe --nodb
      MongoDB shell version: 3.2.0-rc6-7-gb1f0d16
      > var r = Repli<TAB><TAB><TAB><TAB>...<TAB>

      Show
      E:\workspace\mongo>mongo.exe --nodb MongoDB shell version: 3.2.0-rc6-7-gb1f0d16 > var r = Repli<TAB><TAB><TAB><TAB>...<TAB>
    • Platforms E (01/08/16), Platforms 10 (02/19/16)
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    • 3
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      Pressing tab for completion in the shell, multiple times in a row in quick succession causes the crash below on Windows (haven't tried on Linux). The shell was started with the --nodb flag.

      E:\workspace\mongo>mongo.exe --nodb
MongoDB shell version: 3.2.0-rc6-7-gb1f0d16
> var r = Repli<TAB><TAB><TAB><TAB>...<TAB>
2015-12-03T15:57:27.347-0500 I CONTROL  [thread1] *** C runtime error: e:\workspace\mongo\src\third_party\mozjs-38\extract\js\src\jit\jitframes.cpp(361) : Run-Time Check Failure #3 - The variable 'machine' is being used without being initialized., terminating
2015-12-03T15:57:27.380-0500 I -        [thread1] Fatal Assertion 17006

      Stack:

       	mongo.exe!mongo::fassertFailed(int msgid=17006) Line 171	C++
 	mongo.exe!mongo::crtDebugCallback(int __formal=1, char * originalMessage=0x0000001b2d4f06a0, int * __formal=0x0000001b2d4f0648) Line 282	C++
 	msvcr120d.dll!_VCrtDbgReportW(int nRptType=1, void * returnAddress=0x00007ff6fc0c4759, const wchar_t * szFile=0x0000001b2d4f89d0, int nLine=361, const wchar_t * szModule=0x0000001b2d4f87c0, const wchar_t * szFormat=0x00007ff6fcbd2c80, char * arglist=0x0000001b2d4f8798) Line 609	C
 	msvcr120d.dll!_CrtDbgReportWV(int nRptType=1, void * returnAddress=0x00007ff6fc0c4759, const wchar_t * szFile=0x0000001b2d4f89d0, int nLine=361, const wchar_t * szModule=0x0000001b2d4f87c0, const wchar_t * szFormat=0x00007ff6fcbd2c80, char * arglist=0x0000001b2d4f8798) Line 263	C++
 	msvcr120d.dll!_CrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x0000001b2d4f89d0, int nLine=361, const wchar_t * szModule=0x0000001b2d4f87c0, const wchar_t * szFormat=0x00007ff6fcbd2c80, ...) Line 279	C++
 	mongo.exe!failwithmessage(void * retaddr=0x00007ff6fb908e61, int crttype=1, int errnum, const char * msg=0x0000001b2d4f9680) Line 203	C++
 	mongo.exe!_RTC_UninitUse(const char * varname=0x00007ff6fc99e580) Line 475	C++
>	mongo.exe!js::jit::JitFrameIterator::machineState() Line 361	C++
 	mongo.exe!js::jit::SnapshotIterator::SnapshotIterator(const js::jit::JitFrameIterator & iter={...}) Line 1740	C++
 	mongo.exe!js::jit::InlineFrameIterator::resetOn(const js::jit::JitFrameIterator * iter=0x0000001b2d4fa078) Line 2353	C++
 	mongo.exe!js::jit::InlineFrameIterator::InlineFrameIterator(JSContext * cx=0x000001f64e0e2b50, const js::jit::JitFrameIterator * iter=0x0000001b2d4fa078) Line 2316	C++
 	mongo.exe!js::jit::GetPcScript(JSContext * cx=0x000001f64e0e2b50, JSScript * * scriptRes=0x0000001b2d4fa508, unsigned char * * pcRes=0x0000001b2d4fa628) Line 1606	C++
 	mongo.exe!JSContext::currentScript(unsigned char * * ppc=0x0000001b2d4fa628, JSContext::MaybeAllowCrossCompartment allowCrossCompartment=DONT_ALLOW_CROSS_COMPARTMENT) Line 463	C++
 	mongo.exe!js::jit::InvokeFunction(JSContext * cx=0x000001f64e0e2b50, JS::Handle<JSObject *> obj={...}, unsigned int argc=0, JS::Value * argv=0x0000001b2d4fa7a0, JS::Value * rval=0x0000001b2d4fa760) Line 81	C++

            Assignee:
            Mira Carey
            Reporter:
            Kaloian Manassiev
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              Created:
              Updated:
              Resolved: