[LLVMbugs] [Bug 15845] New: Clang accepts invalid code

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=15845

            Bug ID: 15845
           Summary: Clang accepts invalid code
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: iu.biryukov at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

I did ran clang++(from trunk) on source file of this single line of code:

    int foo(xxx); 

and this code got accepted with a warning:

  0.cpp:1:9: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
  int foo(xxx);
          ^~~
  1 warning generated.


I believe this is a regression, since older versions of clang was reporting an
error on the same code:

  0.cpp:1:7: error: unknown type name 'xxx'
  int foo(xxx);

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