6 files changed, 41 insertions, 8 deletions
diff --git a/src/cmd/asm/internal/asm/testdata/ppc64.s b/src/cmd/asm/internal/asm/testdata/ppc64.s
index 01052b4..f84bc14 100644
--- a/src/cmd/asm/internal/asm/testdata/ppc64.s
+++ b/src/cmd/asm/internal/asm/testdata/ppc64.s
@@ -52,6 +52,9 @@ TEXT asmtest(SB),DUPOK|NOSPLIT,$0
 	// Hex constant 0xFFFFFFFE00000001
 	MOVD $-8589934591, R5           // 38a0ffff or 0602000038a00001
 
+	// For #66955. Verify this opcode turns into a load and assembles.
+	MOVD $-6795364578871345152, R5  // 3ca00000e8a50000 or 04100000e4a00000
+
 	MOVD 8(R3), R4                  // e8830008
 	MOVD (R3)(R4), R5               // 7ca4182a
 	MOVD (R3)(R0), R5               // 7ca0182a
@@ -90,6 +93,7 @@ TEXT asmtest(SB),DUPOK|NOSPLIT,$0
 	MOVHBR (R3)(R4), R5             // 7ca41e2c
 	MOVHBR (R3)(R0), R5             // 7ca01e2c
 	MOVHBR (R3), R5                 // 7ca01e2c
+	OR $0, R0, R0
 	MOVD $foo+4009806848(FP), R5    // 3ca1ef0138a5cc40 or 0600ef0038a1cc40
 	MOVD $foo(SB), R5               // 3ca0000038a50000 or 0610000038a00000
 
diff --git a/src/cmd/compile/internal/noder/unified.go b/src/cmd/compile/internal/noder/unified.go
index 492b00d..562b2e6 100644
--- a/src/cmd/compile/internal/noder/unified.go
+++ b/src/cmd/compile/internal/noder/unified.go
@@ -120,6 +120,9 @@ func lookupMethod(pkg *types.Pkg, symName string) (*ir.Func, error) {
 	if name.Alias() {
 		return nil, fmt.Errorf("type sym %v refers to alias", typ)
 	}
+	if name.Type().IsInterface() {
+		return nil, fmt.Errorf("type sym %v refers to interface type", typ)
+	}
 
 	for _, m := range name.Type().Methods() {
 		if m.Sym == meth {
diff --git a/src/cmd/go/internal/work/security.go b/src/cmd/go/internal/work/security.go
index 88504be..568eecd 100644
--- a/src/cmd/go/internal/work/security.go
+++ b/src/cmd/go/internal/work/security.go
@@ -145,6 +145,12 @@ var validCompilerFlagsWithNextArg = []string{
 	"-x",
 }
 
+var invalidLinkerFlags = []*lazyregexp.Regexp{
+	// On macOS this means the linker loads and executes the next argument.
+	// Have to exclude separately because -lfoo is allowed in general.
+	re(`-lto_library`),
+}
+
 var validLinkerFlags = []*lazyregexp.Regexp{
 	re(`-F([^@\-].*)`),
 	re(`-l([^@\-].*)`),
@@ -235,12 +241,12 @@ var validLinkerFlagsWithNextArg = []string{
 
 func checkCompilerFlags(name, source string, list []string) error {
 	checkOverrides := true
-	return checkFlags(name, source, list, validCompilerFlags, validCompilerFlagsWithNextArg, checkOverrides)
+	return checkFlags(name, source, list, nil, validCompilerFlags, validCompilerFlagsWithNextArg, checkOverrides)
 }
 
 func checkLinkerFlags(name, source string, list []string) error {
 	checkOverrides := true
-	return checkFlags(name, source, list, validLinkerFlags, validLinkerFlagsWithNextArg, checkOverrides)
+	return checkFlags(name, source, list, invalidLinkerFlags, validLinkerFlags, validLinkerFlagsWithNextArg, checkOverrides)
 }
 
 // checkCompilerFlagsForInternalLink returns an error if 'list'
@@ -249,7 +255,7 @@ func checkLinkerFlags(name, source string, list []string) error {
 // external linker).
 func checkCompilerFlagsForInternalLink(name, source string, list []string) error {
 	checkOverrides := false
-	if err := checkFlags(name, source, list, validCompilerFlags, validCompilerFlagsWithNextArg, checkOverrides); err != nil {
+	if err := checkFlags(name, source, list, nil, validCompilerFlags, validCompilerFlagsWithNextArg, checkOverrides); err != nil {
 		return err
 	}
 	// Currently the only flag on the allow list that causes problems
@@ -262,7 +268,7 @@ func checkCompilerFlagsForInternalLink(name, source string, list []string) error
 	return nil
 }
 
-func checkFlags(name, source string, list []string, valid []*lazyregexp.Regexp, validNext []string, checkOverrides bool) error {
+func checkFlags(name, source string, list []string, invalid, valid []*lazyregexp.Regexp, validNext []string, checkOverrides bool) error {
 	// Let users override rules with $CGO_CFLAGS_ALLOW, $CGO_CFLAGS_DISALLOW, etc.
 	var (
 		allow    *regexp.Regexp
@@ -294,6 +300,11 @@ Args:
 		if allow != nil && allow.FindString(arg) == arg {
 			continue Args
 		}
+		for _, re := range invalid {
+			if re.FindString(arg) == arg { // must be complete match
+				goto Bad
+			}
+		}
 		for _, re := range valid {
 			if re.FindString(arg) == arg { // must be complete match
 				continue Args
diff --git a/src/cmd/go/testdata/script/darwin_lto_library_ldflag.txt b/src/cmd/go/testdata/script/darwin_lto_library_ldflag.txt
new file mode 100644
index 0000000..d7acefd
--- /dev/null
+++ b/src/cmd/go/testdata/script/darwin_lto_library_ldflag.txt
@@ -0,0 +1,17 @@
+[!GOOS:darwin] skip
+[!cgo] skip
+
+! go build
+stderr 'invalid flag in #cgo LDFLAGS: -lto_library'
+
+-- go.mod --
+module ldflag
+
+-- main.go --
+package main
+
+// #cgo CFLAGS: -flto
+// #cgo LDFLAGS: -lto_library bad.dylib
+import "C"
+
+func main() {}
+\ No newline at end of file
diff --git a/src/cmd/internal/moddeps/moddeps_test.go b/src/cmd/internal/moddeps/moddeps_test.go
index 8adc653..3d4c99e 100644
--- a/src/cmd/internal/moddeps/moddeps_test.go
+++ b/src/cmd/internal/moddeps/moddeps_test.go
@@ -33,8 +33,6 @@ import (
 // See issues 36852, 41409, and 43687.
 // (Also see golang.org/issue/27348.)
 func TestAllDependencies(t *testing.T) {
-	t.Skip("TODO(#65051): 1.22.2 contains unreleased changes from vendored modules")
-
 	goBin := testenv.GoToolPath(t)
 
 	// Ensure that all packages imported within GOROOT
diff --git a/src/cmd/internal/obj/ppc64/obj9.go b/src/cmd/internal/obj/ppc64/obj9.go
index 7e26118..6fa0f84 100644
--- a/src/cmd/internal/obj/ppc64/obj9.go
+++ b/src/cmd/internal/obj/ppc64/obj9.go
@@ -175,8 +175,8 @@ func progedit(ctxt *obj.Link, p *obj.Prog, newprog obj.ProgAlloc) {
 			// Is this a shifted 16b constant? If so, rewrite it to avoid a creating and loading a constant.
 			val := p.From.Offset
 			shift := bits.TrailingZeros64(uint64(val))
-			mask := 0xFFFF << shift
-			if val&int64(mask) == val || (val>>(shift+16) == -1 && (val>>shift)<<shift == val) {
+			mask := int64(0xFFFF) << shift
+			if val&mask == val || (val>>(shift+16) == -1 && (val>>shift)<<shift == val) {
 				// Rewrite this value into MOVD $const>>shift, Rto; SLD $shift, Rto
 				q := obj.Appendp(p, c.newprog)
 				q.As = ASLD