[LLVMbugs] [Bug 21835] New: [fuzz] Assertion `Context.hasSameType( ToAtomicType->castAs<AtomicType>()->getValueType(), From->getType())' failed.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21835

            Bug ID: 21835
           Summary: [fuzz] Assertion `Context.hasSameType(
                    ToAtomicType->castAs<AtomicType>()->getValueType(),
                    From->getType())' 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 13476
  --> http://llvm.org/bugs/attachment.cgi?id=13476&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/lib/Sema/SemaExprCXX.cpp:3099: ExprResult
clang::Sema::PerformImplicitConversion(clang::Expr *, clang::QualType, const
clang::StandardConversionSequence &, clang::Sema::AssignmentAction,
clang::Sema::CheckedConversionKind): Assertion `Context.hasSameType(
ToAtomicType->castAs<AtomicType>()->getValueType(), From->getType())' failed.

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