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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2015-10-29 18:14:50 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2015-10-29 18:14:50 +0000 |
| commit | f4a513a98e6341b2d4796752644a27c722612847 (patch) | |
| tree | 571dc5d41bd31a1e7befb942446857d17016547b /libgo/go | |
| parent | bdb60a10ac876bd1d68ab7b0b0ff2acc69e0c214 (diff) | |
| download | gcc-f4a513a98e6341b2d4796752644a27c722612847.zip gcc-f4a513a98e6341b2d4796752644a27c722612847.tar.gz gcc-f4a513a98e6341b2d4796752644a27c722612847.tar.bz2 | |
compiler, reflect, runtime: remove zero field from type descriptor
Type descriptors picked up a zero field because the gc map
implementation used it. However, it's since been dropped by the gc
library. It was never used by gccgo. Drop it now in preparation for
upgrading to the Go 1.5 library.
Reviewed-on: https://go-review.googlesource.com/16486
From-SVN: r229546
Diffstat (limited to 'libgo/go')
| -rw-r--r-- | libgo/go/reflect/type.go | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/libgo/go/reflect/type.go b/libgo/go/reflect/type.go index 61b1955..5cdfba5 100644 --- a/libgo/go/reflect/type.go +++ b/libgo/go/reflect/type.go @@ -262,7 +262,6 @@ type rtype struct { string *string // string form; unnecessary but undeniably useful *uncommonType // (relatively) uncommon fields ptrToThis *rtype // type for pointer to this type, if used in binary or has methods - zero unsafe.Pointer // pointer to zero value } // Method on non-interface type @@ -1129,7 +1128,6 @@ func (t *rtype) ptrTo() *rtype { p.uncommonType = nil p.ptrToThis = nil - p.zero = unsafe.Pointer(&make([]byte, p.size)[0]) p.elem = t if t.kind&kindNoPointers != 0 { @@ -1505,7 +1503,6 @@ func ChanOf(dir ChanDir, t Type) Type { ch.elem = typ ch.uncommonType = nil ch.ptrToThis = nil - ch.zero = unsafe.Pointer(&make([]byte, ch.size)[0]) ch.gc = unsafe.Pointer(&chanGC{ width: ch.size, @@ -1561,7 +1558,6 @@ func MapOf(key, elem Type) Type { mt.elem = etyp mt.uncommonType = nil mt.ptrToThis = nil - mt.zero = unsafe.Pointer(&make([]byte, mt.size)[0]) // mt.gc = unsafe.Pointer(&ptrGC{ // width: unsafe.Sizeof(uintptr(0)), // op: _GC_PTR, @@ -1848,7 +1844,6 @@ func SliceOf(t Type) Type { slice.elem = typ slice.uncommonType = nil slice.ptrToThis = nil - slice.zero = unsafe.Pointer(&make([]byte, slice.size)[0]) if typ.size == 0 { slice.gc = unsafe.Pointer(&sliceEmptyGCProg) @@ -1920,7 +1915,6 @@ func arrayOf(count int, elem Type) Type { // TODO: array.uncommonType = nil array.ptrToThis = nil - array.zero = unsafe.Pointer(&make([]byte, array.size)[0]) array.len = uintptr(count) array.slice = slice.(*rtype) |