File allow-binary-only-packages.patch of Package go1.12.11726

Index: go/src/cmd/go/internal/load/pkg.go
===================================================================
--- go.orig/src/cmd/go/internal/load/pkg.go
+++ go/src/cmd/go/internal/load/pkg.go
@@ -541,7 +541,7 @@ func LoadImport(path, srcDir string, par
 				// Not vendoring, or we already found the vendored path.
 				buildMode |= build.IgnoreVendor
 			}
-			bp, err = cfg.BuildContext.Import(path, srcDir, buildMode)
+			bp, err = cfg.BuildContext.Import(path, srcDir, build.AllowBinary|buildMode)
 		}
 		bp.ImportPath = importPath
 		if cfg.GOBIN != "" {