[LLVMbugs] [Bug 9151] New: Assertion failed: ((Result || isa<UsingShadowDecl>(D) || D->isInvalidDecl() || cast<Decl>(ParentDC)->isInvalidDecl()) && "Unable to find instantiation of declaration!")

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9151

           Summary: Assertion failed: ((Result || isa<UsingShadowDecl>(D)
                    || D->isInvalidDecl() ||
                    cast<Decl>(ParentDC)->isInvalidDecl()) && "Unable to
                    find instantiation of declaration!")
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: pawel.worach at gmail.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


Created an attachment (id=6107)
 --> (http://llvm.org/bugs/attachment.cgi?id=6107)
598.ii

Building mp4v2 (http://code.google.com/p/mp4v2/) 1.9.1 causes the following
clang assert:

In file included from src/bmff/typebmff.cpp:1:
src/bmff/typebmff.cpp:38:49: error: definition or redeclaration of 'data' not
in
      a namespace enclosing 'Enum<mp4v2::impl::bmff::LanguageCode, 0>'
const EnumLanguageCode::Entry EnumLanguageCode::data[] = {
                              ~~~~~~~~~~~~~~~~~~^
Assertion failed: ((Result || isa<UsingShadowDecl>(D) || D->isInvalidDecl() ||
cast<Decl>(ParentDC)->isInvalidDecl()) && "Unable to find instantiation of
declaration!"), function FindInstantiatedDecl, file
/usr/src-local/llvm/tools/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp, line
2994.
Stack dump:
0.    Program arguments: /usr/opt/llvm/bin/clang -cc1 -triple
x86_64-unknown-freebsd9.0 -S -disable-free -main-file-name typebmff.ii
-mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -target-linker-version 2.15
-momit-leaf-frame-pointer -resource-dir /usr/opt/llvm/bin/../lib/clang/2.9
-ferror-limit 19 -fmessage-length 80 -fexceptions -fgnu-runtime
-fdiagnostics-show-option -fcolor-diagnostics -o typebmff.s -x c++-cpp-output
typebmff.ii 
1.    <eof> parser at end of file
2.    ./src/enum.h:96:5: instantiating function definition 'Enum'
clang: error: unable to execute command: Abort trap: 6 (core dumped)
clang: error: clang frontend command failed due to signal 1 (use -v to see
invocation)

Delta reduced test-case attached.

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