cmd/link: allow more search paths related flags

Author: cerisier

src/cmd/link/internal/ld/lib.go

@@ -2208,7 +2208,6 @@ func trimLinkerArgv(argv []string) []string {
 	flagsWithNextArgSkip := []string{
 		"-F",
 		"-l",
-		"-L",
 		"-framework",
 		"-Wl,-framework",
 		"-Wl,-rpath",
@@ -2220,8 +2219,15 @@ func trimLinkerArgv(argv []string) []string {
 		"--sysroot",
 		"-target",
 		"--target",
+		"-resource-dir",
+		"-stdlib",
+		"--rtlib",
+		"--stdlib",
+		"--unwindlib",
 	}
 	prefixesToKeep := []string{
+		"-B",
+		"-L",
 		"-f",
 		"-m",
 		"-p",
@@ -2231,6 +2237,11 @@ func trimLinkerArgv(argv []string) []string {
 		"--sysroot",
 		"-target",
 		"--target",
+		"-resource-dir",
+		"-stdlib"
+		"--rtlib",
+		"--stdlib",
+		"--unwindlib",
 	}
 
 	var flags []string