nvptx offloading patches [4/n]

[Bernd Schmidt]

On 02/11/2015 03:44 PM, Thomas Schwinge wrote:
> Note the global cold/hot labels.  This confuses mkoffload, and it runs
> into a busy loop due to what I understand to be a bug in skipping of
> "strange" tokens, cited above, which such global labels would fall under.
> Here is what might be a fix for this (but I didn't analyze the parsing
> code in detail); OK for trunk?

I'd rather fail if anything unexpected is seen. Things like 
-freorder-blocks-and-partition should be forced off in 
nvptx_option_override.


Bernd