[pmc] add more UNUSED for :no_wb methods

also remove a wrong task WB

src/pmc/bigint.pmc

@@ -1625,6 +1625,7 @@ Decrements the integer.
     }
 
     VTABLE void i_add_float(FLOATVAL value) :no_wb {
+        UNUSED(SELF)
         UNUSED(value)
         Parrot_ex_throw_from_c_args(INTERP, NULL,
             EXCEPTION_INTERNAL_NOT_IMPLEMENTED,
@@ -1682,6 +1683,7 @@ Decrements the integer.
     }
 
     VTABLE void i_subtract_float(FLOATVAL value) :no_wb {
+        UNUSED(SELF)
         UNUSED(value)
         Parrot_ex_throw_from_c_args(INTERP, NULL,
             EXCEPTION_INTERNAL_NOT_IMPLEMENTED,
@@ -1738,6 +1740,7 @@ Decrements the integer.
     }
 
     VTABLE void i_multiply_float(FLOATVAL value) :no_wb {
+        UNUSED(SELF)
         UNUSED(value)
         Parrot_ex_throw_from_c_args(INTERP, NULL,
             EXCEPTION_INTERNAL_NOT_IMPLEMENTED,

src/pmc/env.pmc

@@ -64,6 +64,8 @@ information see F<src/pmc.c>.
     }
 
     VTABLE void set_pointer(void *ptr) :no_wb {
+        UNUSED(INTERP)
+        UNUSED(SELF)
         Env_PMC = (PMC *)ptr;
     }
 

src/pmc/handle.pmc

@@ -42,11 +42,13 @@ pmclass Handle provides Handle manual_attrs {
 
 
     VTABLE void init() :no_wb {
+        UNUSED(SELF)
         Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_INVALID_OPERATION,
             "Handle cannot be instantiated directly.");
     }
 
     VTABLE void init_pmc(PMC * init) :no_wb {
+        UNUSED(SELF)
         UNUSED(init)
         Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_INVALID_OPERATION,
             "Handle cannot be instantiated directly.");

src/pmc/imageiosize.pmc

@@ -189,6 +189,7 @@ The argument C<v> is currently ignored.
 
     VTABLE void push_integer(INTVAL v) :no_wb {
         const size_t len = PF_size_integer() * sizeof (opcode_t);
+        UNUSED(INTERP)
         UNUSED(v)
         PARROT_IMAGEIOSIZE(SELF)->size += len;
     }

src/pmc/imccompiler.pmc

@@ -53,6 +53,7 @@ pmclass IMCCompiler auto_attrs provides HLLCompiler provide invokable {
     ATTR INTVAL current_eval;
 
     VTABLE void init() :no_wb {
+        UNUSED(SELF)
         Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_INVALID_OPERATION,
             "IMCCompiler: Must initialize with an integer argument 0 (PIR) or 1 (PASM)");
     }

src/pmc/iterator.pmc

@@ -73,6 +73,7 @@ Raises an exception. Use C<init_pmc()>.
 */
 
     VTABLE void init() :no_wb {
+        UNUSED(SELF)
         Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_INVALID_OPERATION,
                 "Iterator init without aggregate");
     }
@@ -89,6 +90,7 @@ Defaults iteration mode to iterate from start.
 */
 
     VTABLE void init_pmc(PMC *aggregate) :no_wb {
+        UNUSED(SELF)
         UNUSED(aggregate)
         Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_INVALID_OPERATION,
                 "Direct creation of Iterator");
@@ -209,6 +211,7 @@ Restart iterator
 
 */
     VTABLE void set_integer_native(INTVAL value) :no_wb {
+        UNUSED(SELF)
         UNUSED(value)
         PARROT_FAILURE("Iterator: implementation has to override this method");
         Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_UNIMPLEMENTED,

src/pmc/lexpad.pmc

@@ -202,6 +202,7 @@ pmclass LexPad provides hash no_ro auto_attrs {
     ATTR PMC *ctx;
 
     VTABLE void init() :no_wb {
+        UNUSED(SELF)
         Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_INVALID_OPERATION,
             "Cannot create a LexPad PMC without an initializer");
     }

src/pmc/parrotlibrary.pmc

@@ -154,6 +154,7 @@ Sets the pointer to the shared library handle.
 */
 
     VTABLE void set_pointer(void *handle) :no_wb {
+        UNUSED(INTERP)
         PMC_dlhandle(SELF) = handle;
         PObj_custom_destroy_SET(SELF);
     }

src/pmc/task.pmc

@@ -153,7 +153,7 @@ code as the first argument.
         Parrot_Task_attributes * const task = PARROT_TASK(SELF);
         Parrot_Scheduler_attributes * const sdata =
                 PARROT_SCHEDULER(interp->scheduler);
-                
+
         PMC * const active_tasks = sdata->all_tasks;
 
         PARROT_ASSERT(! PMC_IS_NULL(task->code));
@@ -238,7 +238,6 @@ Create a copy of the task, resetting status, ID, and birthtime.
     VTABLE PMC *clone() :no_wb {
         /* Create the new task PMC, of the same type of this one (we may
          * have been subclassed). */
-
         PMC * const copy  = Parrot_pmc_new(INTERP, SELF->vtable->base_type);
         Parrot_Task_attributes * const new_struct = PARROT_TASK(copy);
         const Parrot_Task_attributes * const old_struct = PARROT_TASK(SELF);
@@ -263,7 +262,7 @@ Gets the value of an attribute for this task.
     VTABLE PMC *get_attr_str(STRING *name) :no_wb {
         Parrot_Task_attributes * const core_struct = PARROT_TASK(SELF);
         PMC * value = PMCNULL;
-        
+
         if (Parrot_str_equal(INTERP, name, CONST_STRING(INTERP, "birthtime"))) {
             value = Parrot_pmc_new(INTERP, enum_class_Float);
             VTABLE_set_number_native(INTERP, value, core_struct->birthtime);
@@ -453,7 +452,6 @@ Send a message to this task.
         UNLOCK(tdata->mailbox_lock);
 
         if (tdata->partner) {
-            PARROT_GC_WRITE_BARRIER(interp, SELF);
             PMC *                    const partner = tdata->partner;
             Parrot_Task_attributes * const pdata = PARROT_TASK(partner);
             LOCK(tdata->mailbox_lock);

src/pmc/unmanagedstruct.pmc

@@ -954,6 +954,7 @@ Sets the size of the C<struct>.
 */
 
     VTABLE void set_integer_native(INTVAL size) :no_wb {
+        UNUSED(INTERP)
         PARROT_UNMANAGEDSTRUCT(SELF)->size = size;
     }