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4 Commits

Author SHA1 Message Date
Jonas Devlieghere f8b4412b99 [dsymutil] Add llvm_unreachable to silence warning 
Fixes warning: control reaches end of non-void function [-Wreturn-type]
 2020-05-21 12:27:52 -07:00
Jonas Devlieghere 07ffcef469 [dsymutil] Fix conversion between unique_ptr and Expected 
Reproducer.cpp:70:12: error: could not convert ‘Repro’ from
‘std::unique_ptr<llvm::dsymutil::ReproducerGenerate,
std::default_delete<llvm::dsymutil::ReproducerGenerate> >’ to
‘llvm::Expected<std::unique_ptr<llvm::dsymutil::Reproducer> >’
 2020-05-21 11:42:04 -07:00
Jonas Devlieghere d395eacca5 [dsymutil] Fix include-style 2020-05-21 11:19:57 -07:00
Jonas Devlieghere 92fd3971e0 [dsymutil] Add reproducers to dsymutil 
Add support for generating a dsymutil reproducer. The result is a folder
containing all the object files for linking.

When --gen-reproducer is passed, dsymutil uses a FileCollectorFileSystem
which keeps track of all the files used by dsymutil. These files are
copied into a temporary directory when dsymutil exists.

When this path is passed to --use-reproducer, dsymutil uses a
RedirectingFileSystem that will use the files from the reproducer
directory instead of the actual paths. This means you don't need to mess
with the OSO path prefix.

Differential revision: https://reviews.llvm.org/D79398
 2020-05-21 10:59:49 -07:00