diff options
Diffstat (limited to 'src/cmd/compile/internal/reflectdata/reflect.go')
| -rw-r--r-- | src/cmd/compile/internal/reflectdata/reflect.go | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/reflectdata/reflect.go b/src/cmd/compile/internal/reflectdata/reflect.go index 2236c7f1cf..1391102d0f 100644 --- a/src/cmd/compile/internal/reflectdata/reflect.go +++ b/src/cmd/compile/internal/reflectdata/reflect.go @@ -833,6 +833,18 @@ func TypePtr(t *types.Type) *ir.AddrExpr { return typecheck.Expr(typecheck.NodAddr(n)).(*ir.AddrExpr) } +// ITabLsym returns the LSym representing the itab for concreate type typ +// implementing interface iface. +func ITabLsym(typ, iface *types.Type) *obj.LSym { + s, existed := ir.Pkgs.Itab.LookupOK(typ.LinkString() + "," + iface.LinkString()) + lsym := s.Linksym() + + if !existed { + writeITab(lsym, typ, iface) + } + return lsym +} + // ITabAddr returns an expression representing a pointer to the itab // for concrete type typ implementing interface iface. func ITabAddr(typ, iface *types.Type) *ir.AddrExpr { @@ -1288,6 +1300,12 @@ func writeITab(lsym *obj.LSym, typ, iface *types.Type) { break } } + if sigs[0].Sym.Name == "==" { + sigs = sigs[1:] + if len(sigs) == 0 { + break + } + } } if len(sigs) != 0 { base.Fatalf("incomplete itab") |