[LLVMbugs] [Bug 7901] New: clang c++ crash with template instantiated with locally-declared extern variable

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=7901

           Summary: clang c++ crash with template instantiated with
                    locally-declared extern variable
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: sharparrow1 at yahoo.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


Testcase:
template <int*> struct A { A(); };
void foo() {
  extern int i01;
  A<&i01> a01;
}

Crashes with:
clang: SemaTemplateInstantiate.cpp:1654: clang::Decl*
clang::Sema::LocalInstantiationScope::getInstantiationOf(const clang::Decl*):
Assertion `D->isInvalidDecl() && "declaration was not instantiated in this
scope!"' failed.

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