[Patch, Fortran] PR fortran/46794: Fix ICE with powers of integers

[Daniel Kraft]

Tobias Burnus wrote:
>> Regression-tested on x86_64-unknown-linux-gnu without failures -- 
>> though the run somehow looked strange to me (on the compile-farm); 
>> I'll try again to be sure.  Ok for trunk?
> 
> OK for the trunk. Can you check whether one needs to likewise for the 
> 4.5 and 4.4 branch? (I think one should check on source level - the 
> verify_tree might not always catch it. For some reasons, it ICEs here 
> with 4.4 and 4.6 but not with 4.5; however, I think that's rather by 
> chance and not because of a proper casting.)

The code in question is (almost) identical for gcc 4.5 and gcc 4.4; the 
literal patch applied cleanly for 4.5 and regtested fine, backported as 
rev. 167454.  Now I'll look at 4.4.

Cheers,
Daniel


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