PR 5620

	* gcc.c (struct stat input_stat): Don't define if
	HOST_LACKS_INODE_NUMBERS
	(do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
	than stat to determine if temp file is same as input file.
	* doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
	* config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86311 138bc75d-0d04-0410-961f-82ee72b054a4