all: remove redundant type conversion

Change-Id: Iffb04ebd6b4afbe1a13b96b7e7469ec3b3e3380f
GitHub-Last-Rev: 6682724
GitHub-Pull-Request: #396
Reviewed-on: https://go-review.googlesource.com/c/tools/+/428980
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>

cmd/splitdwarf/splitdwarf.go

@@ -182,7 +182,7 @@ for input_exe need to allow writing.
 		oldsym := symtab.Syms[ii]
 		newsymtab.Syms = append(newsymtab.Syms, oldsym)
 
-		linkeditsyms = append(linkeditsyms, macho.Nlist64{Name: uint32(linkeditstringcur),
+		linkeditsyms = append(linkeditsyms, macho.Nlist64{Name: linkeditstringcur,
 			Type: oldsym.Type, Sect: oldsym.Sect, Desc: oldsym.Desc, Value: oldsym.Value})
 		linkeditstringcur += uint32(len(oldsym.Name)) + 1
 		linkeditstrings = append(linkeditstrings, oldsym.Name)

container/intsets/sparse.go

@@ -190,7 +190,7 @@ func (b *block) min(take bool) int {
 			if take {
 				b.bits[i] = w &^ (1 << uint(tz))
 			}
-			return b.offset + int(i*bitsPerWord) + tz
+			return b.offset + i*bitsPerWord + tz
 		}
 	}
 	panic("BUG: empty block")

internal/fastwalk/fastwalk_dirent_ino.go

@@ -11,5 +11,5 @@ package fastwalk
 import "syscall"
 
 func direntInode(dirent *syscall.Dirent) uint64 {
-	return uint64(dirent.Ino)
+	return dirent.Ino
 }