[LLVMbugs] [Bug 21860] New: [fuzz] Assertion `hasInClassInitializer() && InitStorage.getPointer() == nullptr && "bit width, initializer or captured type already set"' failed.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21860

            Bug ID: 21860
           Summary: [fuzz] Assertion `hasInClassInitializer() &&
                    InitStorage.getPointer() == nullptr && "bit width,
                    initializer or captured type already set"' failed.
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: sami.liedes at iki.fi
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13501
  --> http://llvm.org/bugs/attachment.cgi?id=13501&action=edit
test case

Fuzzing discovered that the attached test case, when given as input to

  clang -fno-crash-diagnostics -std=c++11 -xc++ -c -emit-llvm

causes this assertion failure:

clang-3.6: tools/clang/include/clang/AST/Decl.h:2299: void
clang::FieldDecl::setInClassInitializer(clang::Expr *): Assertion
`hasInClassInitializer() && InitStorage.getPointer() == nullptr && "bit width,
initializer or captured type already set"' failed.

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