diff options
| -rw-r--r-- | src/cmd/compile/internal/noder/linker.go | 6 | ||||
| -rw-r--r-- | src/cmd/compile/internal/noder/noder.go | 6 |
2 files changed, 9 insertions, 3 deletions
diff --git a/src/cmd/compile/internal/noder/linker.go b/src/cmd/compile/internal/noder/linker.go index ed47a355d8..eefb5083e5 100644 --- a/src/cmd/compile/internal/noder/linker.go +++ b/src/cmd/compile/internal/noder/linker.go @@ -149,9 +149,11 @@ func (l *linker) relocObj(pr *pkgReader, idx int) int { var ok bool obj, ok = sym.Def.(*ir.Name) - // Generic types and functions won't have definitions. + // Generic types and functions and declared constraint types won't + // have definitions. // For now, just generically copy their extension data. - if !ok && base.Flag.G == 0 { + // TODO(mdempsky): Restore assertion. + if !ok && false { base.Fatalf("missing definition for %v", sym) } } diff --git a/src/cmd/compile/internal/noder/noder.go b/src/cmd/compile/internal/noder/noder.go index 3d83129aea..6a2aacd3fe 100644 --- a/src/cmd/compile/internal/noder/noder.go +++ b/src/cmd/compile/internal/noder/noder.go @@ -9,6 +9,7 @@ import ( "fmt" "go/constant" "go/token" + "internal/buildcfg" "os" "path/filepath" "runtime" @@ -30,8 +31,11 @@ import ( func LoadPackage(filenames []string) { base.Timer.Start("fe", "parse") + // -G=3 and unified expect generics syntax, but -G=0 does not. + supportsGenerics := base.Flag.G != 0 || buildcfg.Experiment.Unified + mode := syntax.CheckBranches - if base.Flag.G != 0 { + if supportsGenerics && types.AllowsGoVersion(types.LocalPkg, 1, 18) { mode |= syntax.AllowGenerics } |