return r.matchInModuleCache.Do(matchInModuleKey{pattern, m}, func() ([]string, error) {
		match := modload.MatchInModule(ctx, pattern, m, imports.AnyTags())
		if len(match.Errs) > 0 {
			return match.Pkgs, match.Errs[0]
		}
		return match.Pkgs, nil
	})
}

// queryNone adds a candidate set to q for each module matching q.pattern.
// Each candidate set has only one possible module version: the matched
// module at version "none".

		var pcflags []string
		var pkgs []string
		for _, pcarg := range pcargs {
			if pcarg == "--" {
				// We're going to add our own "--" argument.
			} else if strings.HasPrefix(pcarg, "--") {
				pcflags = append(pcflags, pcarg)
			} else {
				pkgs = append(pkgs, pcarg)
			}
		}
		for _, pkg := range pkgs {
			if !load.SafeArg(pkg) {

		if gover.Compare(ld.requirements.GoVersion(), gover.TidyGoModSumVersion) < 0 && (ld.Tidy || cfg.BuildMod != "mod") {
			keepPkgGoModSums = false
			keepModSumsForZipSums = false
		}
		for _, pkg := range ld.pkgs {
			// We check pkg.mod.Path here instead of pkg.inStd because the
			// pseudo-package "C" is not in std, but not provided by any module (and
			// shouldn't force loading the whole module graph).

		s.callResult(n, callNormal)
		if n.Op() == ir.OCALLFUNC && n.Fun.Op() == ir.ONAME && n.Fun.(*ir.Name).Class == ir.PFUNC {
			if fn := n.Fun.Sym().Name; base.Flag.CompilingRuntime && fn == "throw" ||
				n.Fun.Sym().Pkg == ir.Pkgs.Runtime &&
					(fn == "throwinit" || fn == "gopanic" || fn == "panicwrap" || fn == "block" ||
						fn == "panicmakeslicelen" || fn == "panicmakeslicecap" || fn == "panicunsafeslicelen" ||