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Auto merge of #85961 - 1000teslas:issue-71519-fix, r=petrochenkov
MVP for using rust-lld as part of cc Will fix #71519. I need to figure out how to write a test showing that lld is used instead of whatever linker cc normally uses. When I manually run rustc using `echo 'fn main() {}' | RUSTC_LOG=rustc_codegen_ssa::back::link=debug ./rustc -Clinker-flavor=gcc-lld --crate-type bin -Clink-arg=-Wl,-v` (thanks to bjorn3 on Zulip), I can see that lld is used, but I'm not sure how to inspect that output in a test.
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-include ../../run-make-fulldeps/tools.mk | ||
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# needs-rust-lld | ||
all: | ||
RUSTC_LOG=rustc_codegen_ssa::back::link=info $(RUSTC) -Z gcc-ld=lld -C link-args=-Wl,-v main.rs 2> $(TMPDIR)/output.txt | ||
$(CGREP) -e "^LLD [0-9]+\.[0-9]+\.[0-9]+" < $(TMPDIR)/output.txt |
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// test linking using cc with rust-lld injected into search path as ld | ||
// see rust-lang/rust#71519 for more info | ||
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fn main() {} |
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