r192860 - in /trunk/gcc: ChangeLog cfgexpand.c ...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Oct 26 19:19:25 2012
New Revision: 192860

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192860
Log:
	PR debug/54970
	* cfgexpand.c (expand_debug_expr): Expand &MEM_REF[&var, n]
	as DEBUG_IMPLICIT_PTR + n if &var expands to DEBUG_IMPLICIT_PTR.
	* tree-sra.c (create_access_replacement): Allow also MEM_REFs
	with ADDR_EXPR first operand in DECL_DEBUG_EXPR expressions.
	* var-tracking.c (track_expr_p): Handle MEM_REFs in DECL_DEBUG_EXPR
	expressions.
	* dwarf2out.c (add_var_loc_to_decl): Likewise.

	PR debug/54971
	* gcc.dg/guality/pr54970.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/guality/pr54970.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/dwarf2out.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-sra.c
    trunk/gcc/var-tracking.c