PR rtl-optimization/59278
	combine (reg_dead_at_p): Consider REG_UNUSED notes.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218250 138bc75d-0d04-0410-961f-82ee72b054a4
testsuite/
	PR rtl-optimization/59278
	* gcc.target/sh/pr59278.c: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218251 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218254 138bc75d-0d04-0410-961f-82ee72b054a4