[Patch, fortran] PR32302 - [4.2/4.3 Regression] Incorrect result with -O2

[FX Coudert]

:REVIEWMAIL:

> 2007-06-14  Paul Thomas  <pault@gcc.gnu.org>
>
> 	PR fortran/32302
> 	* trans-common.c (build_common_decl): If resizing of common
> 	decl is needed, update the TREE_TYPE.

OK to commit to mainline and 4.2 after a while.

FX