[LLVMbugs] [Bug 21844] New: [fuzz] Assertion `!PP.getSourceManager().isBeforeInTranslationUnit(origLoc, Tok.getLocation()) && "ParseAssignmentExpression went over the default arg tokens!"' failed.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21844

            Bug ID: 21844
           Summary: [fuzz] Assertion
                    `!PP.getSourceManager().isBeforeInTranslationUnit(orig
                    Loc, Tok.getLocation()) && "ParseAssignmentExpression
                    went over the default arg tokens!"' 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 13485
  --> http://llvm.org/bugs/attachment.cgi?id=13485&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/Parse/ParseCXXInlineMethods.cpp:359: void
clang::Parser::ParseLexedMethodDeclaration(clang::Parser::LateParsedMethodDeclaration
&): Assertion `!PP.getSourceManager().isBeforeInTranslationUnit(origLoc,
Tok.getLocation()) && "ParseAssignmentExpression went over the default arg
tokens!"' failed.

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