ir: Do not print the irg in panic messages, if it is only available via current_ir_graph.

ir/be/ia32/ia32_common_transform.c

@@ -307,10 +307,10 @@ static void parse_asm_constraints(constraint_t *const constraint, ident *const c
 		case 'y': /* we don't support mmx registers yet */
 		case 'Z': /* not available in 32 bit mode */
 		case 'e': /* not available in 32 bit mode */
-			panic("unsupported asm constraint '%c' found in (%+F)", *c, current_ir_graph);
+			panic("unsupported asm constraint '%c'", *c);
 
 		default:
-			panic("unknown asm constraint '%c' found in (%+F)", *c, current_ir_graph);
+			panic("unknown asm constraint '%c'", *c);
 		}
 
 		if (new_cls) {

ir/be/sparc/sparc_transform.c

@@ -307,7 +307,7 @@ static void parse_asm_constraints(constraint_t *const constraint,
 		}
 
 		default:
-			panic("unknown asm constraint '%c' found in (%+F)", *c, current_ir_graph);
+			panic("unknown asm constraint '%c'", *c);
 		}
 
 		if (new_cls) {

ir/opt/opt_confirms.c

@@ -576,7 +576,6 @@ static tarval *compare_iv_dbg(const interval_t *l_iv, const interval_t *r_iv, ir
 	if (tv == tarval_unknown)
 		return tv;
 
-	ir_printf("In %e:\n", get_irg_entity(current_ir_graph));
 	print_iv_cmp(l_iv, r_iv, relation);
 	ir_printf(" = %T\n", tv);
 	return tv;