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Since CL 391014, cmd/compile now requires the -p flag to be set the build system. This CL changes it to initialize LocalPkg.Path to the provided path, rather than relying on writing out `"".` into object files and expecting cmd/link to substitute them. However, this actually involved a rather long tail of fixes. Many have already been submitted, but a few notable ones that have to land simultaneously with changing LocalPkg: 1. When compiling package runtime, there are really two "runtime" packages: types.LocalPkg (the source package itself) and ir.Pkgs.Runtime (the compiler's internal representation, for synthetic references). Previously, these ended up creating separate link symbols (`"".xxx` and `runtime.xxx`, respectively), but now they both end up as `runtime.xxx`, which causes lsym collisions (notably inittask and funcsyms). 2. test/codegen tests need to be updated to expect symbols to be named `command-line-arguments.xxx` rather than `"".foo`. 3. The issue20014 test case is sensitive to the sort order of field tracking symbols. In particular, the local package now sorts to its natural place in the list, rather than to the front. Thanks to David Chase for helping track down all of the fixes needed for this CL. Updates #51734. Change-Id: Iba3041cf7ad967d18c6e17922fa06ba11798b565 Reviewed-on: https://go-review.googlesource.com/c/go/+/393715 Reviewed-by: David Chase <drchase@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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issue20014.dir/a.T.X
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main.T.X
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