Hi,

unlike other IPA passes, the ICF pass can be run at -O0 and some testcases 
rely on this in the testsuite.  Now it effectively creates a tail call so the 
DF information needs be updated in this case after epilogue creation.

Tested on x86-64/Linux, OK for mainline?


2023-01-13  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/108274
	* function.cc (thread_prologue_and_epilogue_insns): Also update the
	DF information for calls in a few more cases.

-- 
Eric Botcazou