segmentation fault while compiling template class with inner class and enum

[llvmbot]

Bugzilla Link	12317
Resolution	FIXED
Resolved on	Mar 21, 2012 22:37
Version	trunk
OS	Linux
Attachments	source file, preprocessed source, run script
Reporter	LLVM Bugzilla Contributor
CC	@DougGregor,@efriedma-quic,@zygoloid

Extended Description

Hi clang developers,

while compiling the following code I get a segfault.

clang_crash.cpp:

template class Outer { public: class Inner { public: //Inner(); enum { VAL1 = 1 }; //static const int VAL1=1;

char b[100-VAL1];

};

Inner inner; };

Outer outer;

/usr> clang++ clang_crash.cpp clang: error: unable to execute command: Segmentation fault

Some observations:

• removing the enum and uncommenting the "static const int VAL1" makes it work

• uncommenting the Inner() constructor causes about 20 identical errors to be printed out:

  clang_crash.cpp:8:5: error: constructor cannot be redeclared Inner();

Afterwards, clang still segfaults.

• when the outer class isn't a template it also works

I have attached the source, preprocessed source and the run script.

clang version 3.1 (trunk 153100) Target: x86_64-unknown-linux-gnu Thread model: posix

Could you have a look please?

Best regards, Martin

[ec04fc15-fa35-46f2-80e1-5d271f2ef708]

Fixed in r153236.