(expand_expr, COMPONENT_REF case): For unaligned object

in an aligned union, set MEM_IN_STRUCT_P if create a MEM rtx.

From-SVN: r4964

1 files changed, 1 insertions, 0 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index 9ba19e5..187b25b 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -4005,6 +4005,7 @@ expand_expr (exp, target, tmode, modifier)
 		emit_move_insn (new, op0);
 		op0 = copy_rtx (new);
 		PUT_MODE (op0, BLKmode);
+		MEM_IN_STRUCT_P (op0) = 1;
 	      }
 
 	    return op0;