[llvm-bugs] [Bug 34528] New: [Modules TS] Assertion in lib/AST/Decl.cpp:1392

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Fri Sep 8 09:07:19 PDT 2017


            Bug ID: 34528
           Summary: [Modules TS] Assertion in lib/AST/Decl.cpp:1392
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Modules
          Assignee: unassignedclangbugs at nondot.org
          Reporter: boris at codesynthesis.com
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org

Created attachment 19121
  --> https://bugs.llvm.org/attachment.cgi?id=19121&action=edit
Reproducing script.

Something recent (past ~2 weeks) causes the following assertion on pretty much
any mildly non-trivial Modules TS project for me:

lib/AST/Decl.cpp:1392: clang::LinkageInfo
clang::LinkageComputer::getLVForDecl(const clang::NamedDecl*,
clang::LVComputationKind): Assertion `!Old || Old->getCachedLinkage() ==
D->getCachedLinkage()' failed.

Reproducer is attached.

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