[LLVMbugs] [Bug 21972] New: [fuzz] Assertion `T->isIntegralOrEnumerationType() && "unexpected converted const type"' failed.

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Dec 18 14:21:42 PST 2014


            Bug ID: 21972
           Summary: [fuzz] Assertion `T->isIntegralOrEnumerationType() &&
                    "unexpected converted const type"' 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

Fuzzing discovered that the test case below, 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/SemaOverload.cpp:5079: clang::ExprResult
clang::Sema::CheckConvertedConstantExpression(clang::Expr*, clang::QualType,
llvm::APSInt&, clang::Sema::CCEKind): Assertion
`T->isIntegralOrEnumerationType() && "unexpected converted const type"' failed.

Test case:

template<typename T> struct p<enum E : T { a=1 };

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