[PATCH] gas: Add --gcodeview option

[Nick Clifton]

Hi Mark,

>>   FAIL: Failed to extract .debug$S section from codeview1.o

> I don't understand this, it's working for me.  

A snafu.  My test build was mis-configured, so it was building ELF binaries
instead of PE binaries (but still pretending to be a -mingw32 toolchain).

*sigh*

With that corrected the tests work.

Patch approved - please apply.  Sorry for the noise.

Cheers
   Nick