[Webkit-unassigned] [Bug 183175] New: JSC crash with `import("")`

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183175

            Bug ID: 183175
           Summary: JSC crash with `import("")`
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: andre.bargull at gmail.com

SVN: rev228977
Build with: perl Tools/Scripts/build-jsc --jsc-only --debug


Executing the following test case leads to this crash:
---
1   0x7f0fd0957705 WTFCrash
2   0x48e47d WTF::VectorBufferBase<char, WTF::FastMalloc>::allocateBuffer(unsigned long)
3   0x48c170 WTF::Vector<char, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>::reserveCapacity(unsigned long)
4   0x48744f WTF::Vector<char, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>::expandCapacity(unsigned long)
5   0x482240 WTF::Vector<char, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>::resize(unsigned long)
6   0x459f05
7   0x45a15c
8   0x45a30f GlobalObject::moduleLoaderFetch(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSModuleLoader*, JSC::JSValue, JSC::JSValue, JSC::JSValue)
9   0x7f0fd06293e9 JSC::JSModuleLoader::fetch(JSC::ExecState*, JSC::JSValue, JSC::JSValue, JSC::JSValue)
10  0x7f0fd06c027b
11  0x7f0f89eff185
---


Test case:
---
import("");
---

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