2008-04-24 Alexandre Oliva PR c++/35909 * call.c (convert_like_real): Convert bitfield to desired type before creating temporary. * g++.dg/conversion/bitfield9.C: New. --- gcc/cp/call.c.orig 2008-04-22 03:26:25.000000000 -0300 +++ gcc/cp/call.c 2008-04-22 03:26:27.000000000 -0300 @@ -4580,7 +4580,10 @@ convert_like_real (conversion *convs, tr return error_mark_node; } if (lvalue & clk_bitfield) - expr = convert_bitfield_to_declared_type (expr); + { + expr = convert_bitfield_to_declared_type (expr); + expr = fold_convert (type, expr); + } expr = build_target_expr_with_type (expr, type); } --- gcc/testsuite/g++.dg/conversion/bitfield9.C 1970-01-01 00:00:00.000000000 +0000 +++ gcc/testsuite/g++.dg/conversion/bitfield9.C 2008-04-22 03:26:27.000000000 -0300 @@ -0,0 +1,16 @@ +// PR c++/35909 +// { dg-do compile } + +struct MidiCommand +{ + unsigned data1 : 8; +}; + +void g(const unsigned char &); +void h(const unsigned int &); + +void f(MidiCommand mc) +{ + g(mc.data1); + h(mc.data1); +}