Hi,

this fixes the problematic interaction between bitfields, unions, SSO and SRA.

Tested on x86-64/Linux and SPARC/Solaris, OK for all active branches?


2023-01-11  Eric Botcazou  <ebotcazou@adacore.com>
            Andreas Krebbel  <krebbel@linux.ibm.com>

	PR tree-optimization/108199
	* tree-sra.cc (sra_modify_expr): Deal with reverse storage order
	for bit-field references.


2023-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc.dg/sso-17.c: New test.

-- 
Eric Botcazou