[LLVMbugs] [Bug 21957] New: [fuzz, binary] Assertion `(Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) || Tok.is(tok::kw_decltype) || Tok.is(tok::kw___super)) && "Cannot be a type or scope token!"' failed.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21957

            Bug ID: 21957
           Summary: [fuzz, binary] Assertion `(Tok.is(tok::identifier) ||
                    Tok.is(tok::coloncolon) ||
                    (Tok.is(tok::annot_template_id) &&
                    NextToken().is(tok::coloncolon)) ||
                    Tok.is(tok::kw_decltype) || Tok.is(tok::kw___super))
                    && "Cannot be a type or scope token!"' 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 13568
  --> http://llvm.org/bugs/attachment.cgi?id=13568&action=edit
test case

Fuzzing discovered that the attached test case, which contains unprintable
characters, 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/Parser.cpp:1683: bool
clang::Parser::TryAnnotateCXXScopeToken(bool): Assertion
`(Tok.is(tok::identifier) || Tok.is(tok::coloncolon) ||
(Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) ||
Tok.is(tok::kw_decltype) || Tok.is(tok::kw___super)) && "Cannot be a type or
scope token!"' failed.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20141218/130b2e28/attachment.html>