[LLVMbugs] [Bug 6513] crash on invalid (enum forward decl in template arg list)

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6513

Gabor Greif <ggreif at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #1 from Gabor Greif <ggreif at gmail.com> 2010-10-05 06:16:18 CDT ---
A recent clang does give sensible error messages and does not crash any more:


gabor at google7:~$ cat > goo.cpp
template <enum PortRole ROLE, typename FACILITY, template <enum PortRole,
typename> class GOVERN>
class Role : public FACILITY, protected GOVERN<ROLE, FACILITY>
{
    friend class GOVERN<ROLE, FACILITY>;
};
gabor at google7:~$ ~/llvm-build/Debug+Asserts/bin/clang++ -o hh goo.cpp 
goo.cpp:1:16: error: ISO C++ forbids forward references to 'enum' types
template <enum PortRole ROLE, typename FACILITY, template <enum PortRole,
               ^
goo.cpp:1:25: error: a non-type template parameter cannot have type 'enum
PortRole'
template <enum PortRole ROLE, typename FACILITY, template <enum PortRole,
                        ^
goo.cpp:1:73: error: a non-type template parameter cannot have type 'enum
PortRole'
template <enum PortRole ROLE, typename FACILITY, template <enum PortRole,
                                                                        ^
goo.cpp:4:1: error: expected class name
{
^
4 errors generated.
gabor at google7:~$ ~/llvm-build/Debug+Asserts/bin/clang++ --version
clang version 2.9 (trunk 115312)
Target: x86_64-unknown-linux-gnu
Thread model: posix

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