internal/coverage/slicereader: use unsafe.String

Change-Id: Ifd88315626e0ce5b9b8d3c66aa9dd9806f8407dd
Reviewed-on: https://go-review.googlesource.com/c/go/+/448555
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Than McIntosh <thanm@google.com>
Auto-Submit: Than McIntosh <thanm@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>

1 files changed, 1 insertions, 8 deletions

diff --git a/src/internal/coverage/slicereader/slicereader.go b/src/internal/coverage/slicereader/slicereader.go
index c949e1723d..3d117bae37 100644
--- a/src/internal/coverage/slicereader/slicereader.go
+++ b/src/internal/coverage/slicereader/slicereader.go
@@ -6,7 +6,6 @@ package slicereader
 
 import (
 	"encoding/binary"
-	"internal/unsafeheader"
 	"unsafe"
 )
 
@@ -95,11 +94,5 @@ func toString(b []byte) string {
 	if len(b) == 0 {
 		return ""
 	}
-
-	var s string
-	hdr := (*unsafeheader.String)(unsafe.Pointer(&s))
-	hdr.Data = unsafe.Pointer(&b[0])
-	hdr.Len = len(b)
-
-	return s
+	return unsafe.String(&b[0], len(b))
 }