test self-contained linking via -Zlinker-features=+lld

Author: lqd

tests/run-make/rust-lld/Makefile

@@ -4,5 +4,5 @@ include ../tools.mk
 # needs-rust-lld
 # ignore-s390x lld does not yet support s390x as target
 all:
-	RUSTC_LOG=rustc_codegen_ssa::back::link=info $(RUSTC) -Clink-self-contained=+linker -Clinker-flavor=gnu-lld-cc -Zunstable-options -Clink-args=-Wl,-v main.rs 2> $(TMPDIR)/output.txt
+	RUSTC_LOG=rustc_codegen_ssa::back::link=info $(RUSTC) -Clink-self-contained=+linker -Zlinker-features=+lld -Zunstable-options -Clink-args=-Wl,-v main.rs 2> $(TMPDIR)/output.txt
 	$(CGREP) -e "^LLD [0-9]+\.[0-9]+\.[0-9]+" < $(TMPDIR)/output.txt