2006-04-23  Mark Mitchell  <mark@codesourcery.com>

	PR c++/26534
	* c-common.h (c_build_bitfield_integer_type): Declare.
	* c-decl.c (c_build_bitfield_integer_type): Move to ...
	* c-common.c (c_build_bitfield_integer_type): ... here.

2006-04-23  Mark Mitchell  <mark@codesourcery.com>

	PR c++/26534
	* cp-tree.h (is_bitfield_expr_with_lowered_type): New function.
	* typeck.c (is_bitfield_expr_with_lowered_type): New function.
	(decay_conversion): Convert bitfield expressions to the correct
	type.
	(build_modify_expr): Remove spurious conversions.
	* class.c (layout_class_type): Modify the type of bitfields to
	indicate a limited range. 
	* call.c (standard_conversion): Adjust the type of bitfield
	expressions used in an rvalue context.
	(build_conditional_expr): Likewise.
	
2006-04-23  Mark Mitchell  <mark@codesourcery.com>

	PR c++/26534
	* g++.dg/opt/bitfield1.C: New test.
	* g++.dg/compat/abi/bitfield1_main.C: Add -w.
	* g++.dg/compat/abi/bitfield1_x.C: Likewise.
	* g++.dg/compat/abi/bitfield1_y.C: Likewise.
	* g++.dg/compat/abi/bitfield2_main.C: Likewise.
	* g++.dg/compat/abi/bitfield2_x.C: Likewise.
	* g++.dg/compat/abi/bitfield2_y.C: Likewise.
	* g++.dg/abi/bitfield1.C: Add dg-warning markers.
	* g++.dg/abi/bitfield2.C: Likewise.
	* g++.dg/init/bitfield1.C: Likewise.

From-SVN: r113199