PR go/61254
compiler: Don't move nil subexpressions into temporaries.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218701 138bc75d-0d04-0410-961f-82ee72b054a4
	PR go/61258
runtime: Don't crash when deleting zero-sized key.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218702 138bc75d-0d04-0410-961f-82ee72b054a4