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runtime: Drop reflectFlags tests.

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The flags were used by the reflect package in the past, but
not for a couple of years now.

From-SVN: r212446
This commit is contained in:
Ian Lance Taylor 2014-07-11 00:26:25 +00:00
parent cb40eec03a
commit 2802d48b30
7 changed files with 0 additions and 30 deletions
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4
libgo/runtime/go-eface-compare.c
View File

@ -19,10 +19,6 @@ __go_empty_interface_compare (struct __go_empty_interface left,
left_descriptor = left.__type_descriptor;
if (((uintptr_t) left_descriptor & reflectFlags) != 0
|| ((uintptr_t) right.__type_descriptor & reflectFlags) != 0)
runtime_panicstring ("invalid interface value");
if (left_descriptor == NULL && right.__type_descriptor == NULL)
return 0;
if (left_descriptor == NULL || right.__type_descriptor == NULL)

2
libgo/runtime/go-eface-val-compare.c
View File

@ -20,8 +20,6 @@ __go_empty_interface_value_compare (
const struct __go_type_descriptor *left_descriptor;
left_descriptor = left.__type_descriptor;
if (((uintptr_t) left_descriptor & reflectFlags) != 0)
runtime_panicstring ("invalid interface value");
if (left_descriptor == NULL)
return 1;
if (!__go_type_descriptors_equal (left_descriptor, right_descriptor))

2
libgo/runtime/go-interface-eface-compare.c
View File

@ -18,8 +18,6 @@ __go_interface_empty_compare (struct __go_interface left,
{
const struct __go_type_descriptor *left_descriptor;
if (((uintptr_t) right.__type_descriptor & reflectFlags) != 0)
runtime_panicstring ("invalid interface value");
if (left.__methods == NULL && right.__type_descriptor == NULL)
return 0;
if (left.__methods == NULL || right.__type_descriptor == NULL)

3
libgo/runtime/go-type-eface.c
View File

@ -44,9 +44,6 @@ __go_type_equal_empty_interface (const void *vv1, const void *vv2,
v2 = (const struct __go_empty_interface *) vv2;
v1_descriptor = v1->__type_descriptor;
v2_descriptor = v2->__type_descriptor;
if (((uintptr_t) v1_descriptor & reflectFlags) != 0
|| ((uintptr_t) v2_descriptor & reflectFlags) != 0)
runtime_panicstring ("invalid interface value");
if (v1_descriptor == NULL || v2_descriptor == NULL)
return v1_descriptor == v2_descriptor;
if (!__go_type_descriptors_equal (v1_descriptor, v2_descriptor))

9
libgo/runtime/go-type.h
View File

@ -302,15 +302,6 @@ struct __go_struct_type
struct __go_open_array __fields;
};
/* If an empty interface has these bits set in its type pointer, it
was copied from a reflect.Value and is not a valid empty
interface. */
enum
{
reflectFlags = 3,
};
/* Whether a type descriptor is a pointer. */
static inline _Bool

8
libgo/runtime/iface.goc
View File

@ -32,8 +32,6 @@ func ifacetype(i interface) (d *const_descriptor) {
// Convert an empty interface to an empty interface.
func ifaceE2E2(e empty_interface) (ret empty_interface, ok bool) {
if(((uintptr_t)e.__type_descriptor&reflectFlags) != 0)
runtime_panicstring("invalid interface value");
ret = e;
ok = ret.__type_descriptor != nil;
}
@ -53,8 +51,6 @@ func ifaceI2E2(i interface) (ret empty_interface, ok bool) {
// Convert an empty interface to a non-empty interface.
func ifaceE2I2(inter *descriptor, e empty_interface) (ret interface, ok bool) {
if(((uintptr_t)e.__type_descriptor&reflectFlags) != 0)
runtime_panicstring("invalid interface value");
if (e.__type_descriptor == nil) {
ret.__methods = nil;
ret.__object = nil;
@ -84,8 +80,6 @@ func ifaceI2I2(inter *descriptor, i interface) (ret interface, ok bool) {
// Convert an empty interface to a pointer type.
func ifaceE2T2P(inter *descriptor, e empty_interface) (ret *void, ok bool) {
if(((uintptr_t)e.__type_descriptor&reflectFlags) != 0)
runtime_panicstring("invalid interface value");
if (!__go_type_descriptors_equal(inter, e.__type_descriptor)) {
ret = nil;
ok = 0;
@ -109,8 +103,6 @@ func ifaceI2T2P(inter *descriptor, i interface) (ret *void, ok bool) {
// Convert an empty interface to a non-pointer type.
func ifaceE2T2(inter *descriptor, e empty_interface, ret *void) (ok bool) {
if(((uintptr_t)e.__type_descriptor&reflectFlags) != 0)
runtime_panicstring("invalid interface value");
if (!__go_type_descriptors_equal(inter, e.__type_descriptor)) {
__builtin_memset(ret, 0, inter->__size);
ok = 0;

2
libgo/runtime/reflect.goc
View File

@ -12,8 +12,6 @@ func ifaceE2I(inter *Type, e Eface, ret *Iface) {
const Type *t;
Eface err;
if(((uintptr)e.__type_descriptor&reflectFlags) != 0)
runtime_throw("invalid interface value");
t = e.__type_descriptor;
if(t == nil) {
// explicit conversions require non-nil interface value.