[LLVMbugs] [Bug 12883] Missed semicolon after class leads to segfault

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12883

Serge Pavlov <sepavloff at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
                 CC|                            |sepavloff at gmail.com
         Resolution|---                         |WORKSFORME

--- Comment #8 from Serge Pavlov <sepavloff at gmail.com> ---
Current version if clang doesn't crash on this file:

$ clang -v
clang version 3.4 (trunk 186143)
Target: x86_64-unknown-linux-gnu
Thread model: posix

$ clang++ --std=c++11 dummy-luSc32.ii 
In file included from dummy.cpp:1:
dummy.cpp:5:33: error: unknown class name 'exception'; did you mean
'std::exception'?
class InvariantFailure : public exception
                                ^~~~~~~~~
                                std::exception
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/exception:60:9:
note: 'std::exception' declared here
  class exception
        ^
In file included from dummy.cpp:1:
dummy.cpp:9:21: error: extra qualification on member 'InvariantFailure'
  InvariantFailure::InvariantFailure(std::string &msg) : message(msg) {};
  ~~~~~~~~~~~~~~~~~~^
dummy.cpp:10:23: error: exception specification of overriding function is more
lax than base version
  virtual const char *what() const { return this->message; }
                      ^
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/exception:68:25:
note: overridden virtual function is here
    virtual const char* what() const throw();
                        ^
In file included from dummy.cpp:1:
dummy.cpp:10:45: error: no viable conversion from 'const std::string' (aka
'const basic_string<char>') to 'const char *'
  virtual const char *what() const { return this->message; }
                                            ^~~~~~~~~~~~~
dummy.cpp:11:2: error: expected ';' after class
}
 ^
 ;
dummy.cpp:22:13: error: no matching function for call to 'vsnprintf'
 int size = vsnprintf(buf.c_str(), 0, fmt, args);
            ^~~~~~~~~
/usr/include/stdio.h:391:12: note: candidate function not viable: 1st argument
('const char *') would lose const qualifier
extern int vsnprintf (char *__restrict __s, size_t __maxlen,
           ^
In file included from dummy.cpp:1:
dummy.cpp:24:3: error: use of undeclared identifier 'dbg'
  dbg("vsnprintf failed!");
  ^
dummy.cpp:29:9: error: no matching function for call to 'vsnprintf'
 size = vsnprintf(buf.c_str(), size, fmt, args);
        ^~~~~~~~~
/usr/include/stdio.h:391:12: note: candidate function not viable: 1st argument
('const char *') would lose const qualifier
extern int vsnprintf (char *__restrict __s, size_t __maxlen,
           ^
In file included from dummy.cpp:1:
dummy.cpp:31:3: error: use of undeclared identifier 'dbg'
  dbg("vsnprintf failed!");
  ^
9 errors generated.

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