[LLVMbugs] [Bug 21971] New: [fuzz] Assertion `Tok.is(tok::l_brace)' failed.

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Dec 18 14:15:03 PST 2014


            Bug ID: 21971
           Summary: [fuzz] Assertion `Tok.is(tok::l_brace)' 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/Parse/ParseDeclCXX.cpp:2752: void
clang::SourceLocation, clang::Parser::ParsedAttributesWithRange&, unsigned int,
clang::Decl*): Assertion `Tok.is(tok::l_brace)' failed.

Test case:

class f final alignas ([float):

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