cmd/compile: reuse LSyms in dumptypestructs

Passes toolstash-check.

Change-Id: I4a5c841eb16e05db7d923d4c3c7cd2d7695fa4af
Reviewed-on: https://go-review.googlesource.com/41409
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

diff --git a/src/cmd/compile/internal/gc/reflect.go b/src/cmd/compile/internal/gc/reflect.go
index 9c2a2429fff6705a41c5cba00a99d61cd910f45b..712c2aad9ec07ae745a5a7574f53d6b268c74e4c 100644 (file)
--- a/src/cmd/compile/internal/gc/reflect.go
+++ b/src/cmd/compile/internal/gc/reflect.go
@@ -1441,19 +1441,20 @@ func dumptypestructs() {
                //   unused [2]byte
                //   fun    [1]uintptr // variable sized
                // }
-               o := dsymptr(i.sym.Linksym(), 0, dtypesym(i.itype).Linksym(), 0)
-               o = dsymptr(i.sym.Linksym(), o, dtypesym(i.t).Linksym(), 0)
-               o += Widthptr                                  // skip link field
-               o = duint32(i.sym.Linksym(), o, typehash(i.t)) // copy of type hash
-               o += 4                                         // skip bad/inhash/unused fields
-               o += len(imethods(i.itype)) * Widthptr         // skip fun method pointers
+               ilsym := i.sym.Linksym()
+               o := dsymptr(ilsym, 0, dtypesym(i.itype).Linksym(), 0)
+               o = dsymptr(ilsym, o, dtypesym(i.t).Linksym(), 0)
+               o += Widthptr                          // skip link field
+               o = duint32(ilsym, o, typehash(i.t))   // copy of type hash
+               o += 4                                 // skip bad/inhash/unused fields
+               o += len(imethods(i.itype)) * Widthptr // skip fun method pointers
                // at runtime the itab will contain pointers to types, other itabs and
                // method functions. None are allocated on heap, so we can use obj.NOPTR.
-               ggloblsym(i.sym.Linksym(), int32(o), int16(obj.DUPOK|obj.NOPTR))
+               ggloblsym(ilsym, int32(o), int16(obj.DUPOK|obj.NOPTR))
 
-               ilink := itablinkpkg.Lookup(i.t.ShortString() + "," + i.itype.ShortString())
-               dsymptr(ilink.Linksym(), 0, i.sym.Linksym(), 0)
-               ggloblsym(ilink.Linksym(), int32(Widthptr), int16(obj.DUPOK|obj.RODATA))
+               ilink := itablinkpkg.Lookup(i.t.ShortString() + "," + i.itype.ShortString()).Linksym()
+               dsymptr(ilink, 0, ilsym, 0)
+               ggloblsym(ilink, int32(Widthptr), int16(obj.DUPOK|obj.RODATA))
        }
 
        // process ptabs