cleanups.

src/gencode.c

@@ -162,7 +162,7 @@ unfreeze_registers(M1_compiler *comp, m1_symboltable *table) {
     while (iter != NULL) {
         /* if num elems == 1 take the typedecl's type, otherwise it's an array. */
         m1_valuetype type  = iter->num_elems == 1 ? iter->typedecl->valtype : VAL_INT;
-        unsigned     regno = iter->regno;
+        int          regno = iter->regno;
 
         if (regno != NO_REG_ALLOCATED_YET) {
             assert(comp->registers[type][regno] == REG_SYMBOL);

src/m1.y

@@ -514,11 +514,6 @@ function_init   : return_type TK_IDENT
                           $$ = chunk(comp, $1, $2, 0); 
                           comp->currentchunk = $$;
 
-                          /* enter name of function declaration in table 
-                          XXX is this still needed? Dont think so but leave it for now.
-                          */
-                          //sym_enter_chunk(comp, &comp->currentchunk->constants, $2);
-
 
                           /* enter name of this function in global symbol table, so
                              compiler can find it whenever another function calls this one.

src/semcheck.c

@@ -250,7 +250,7 @@ check_for(M1_compiler *comp, m1_forexpr *i, unsigned line) {
     /* break and continue are allowed in for loops. */
 
     if (i->init)
-        check_expr(comp, i->init);
+        (void)check_expr(comp, i->init);
 
     if (i->cond) {
         m1_type *t = check_expr(comp, i->cond);
@@ -471,7 +471,6 @@ check_funcall(M1_compiler *comp, m1_funcall *f, unsigned line) {
 
     }
     else {
-        assert(f->funsym->typedecl != NULL);
         f->typedecl = f->funsym->typedecl;
     }
 
@@ -491,7 +490,7 @@ static void
 check_exprlist(M1_compiler *comp, m1_expression *expr) {
     m1_expression *iter = expr;
     while (iter != NULL) {
-        check_expr(comp, iter);
+        (void)check_expr(comp, iter);
         iter = iter->next;   
     }   
 }