On 11/18/2011 02:29 PM, Paolo Carlini wrote:
On 11/18/2011 02:27 PM, Paolo Carlini wrote:
On 11/18/2011 02:16 PM, Jason Merrill wrote:
On 11/17/2011 06:52 PM, Paolo Carlini wrote:
The problem is, in all these tests,
value is always a FIX_TRUNC_EXPR, which, AFAICS, is always left
untouched.
Aha, I guess tsubst_copy_and_build needs to handle FIX_TRUNC_EXPR better.
I see. Maybe better if you handle this issue, I have very little clues about the right way to do that, see, in the whole cp/ I count only try occurrences of FIX_TRUNC_EXPR overall ;)
I meant 4, including one in error.c. You see my point.
Well, unless there are hopes that something as simple as the attached is all there is to it: works for the testcase, but I haven't run the testsuite...

Paolo.

////////////////
Index: pt.c
===================================================================
--- pt.c        (revision 181474)
+++ pt.c        (working copy)
@@ -13384,6 +13384,7 @@ tsubst_copy_and_build (tree t,
     case UNARY_PLUS_EXPR:  /* Unary + */
     case REALPART_EXPR:
     case IMAGPART_EXPR:
+    case FIX_TRUNC_EXPR:
       return build_x_unary_op (TREE_CODE (t), RECUR (TREE_OPERAND (t, 0)),
                                complain);
 
Index: call.c
===================================================================
--- call.c      (revision 181474)
+++ call.c      (working copy)
@@ -5227,6 +5227,7 @@ build_new_op_1 (enum tree_code code, int flags, tr
     case REALPART_EXPR:
     case IMAGPART_EXPR:
     case ABS_EXPR:
+    case FIX_TRUNC_EXPR:
       return cp_build_unary_op (code, arg1, candidates != 0, complain);
 
     case ARRAY_REF:

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