debugging internal compiler errors ...

[Georg-Johann Lay]

kevin diggs schrieb:
> Hi,
> 
> How does one go about debugging an internal compiler error?
> 
> When trying to build 4.3.5 for m68k, an ICE occurs when building
> __fixunsxfdi (convert long double to unsigned long long? or maybe its
> abs of long double to unsigned long long?) during the libgcc build. It
> does not occur with -O0. But it does with -O1.
> 
> Thanks!
> 
> kevin

There are hints in
    http://gcc.gnu.org/wiki/DebuggingGCC

To get the args to cc1 and the i-file add -v -save-temps to the command 
line.

Johann