forked from OSchip/llvm-project
df8e291ef9
When reading DBGSourcePathRemapping from a dSYM, we remove the last two path components to make the source lookup more general. However, when dealing with a relative path that has less than 2 components, we ended up with an invalid (empty) FileSpec. This patch changes the behavior of removeLastPathComponent to remove the last path component, if possible. It does this by checking whether a parent path exists, and if so using that as the new path. We rely entirely on LLVM's path implementation to do the heavy lifting. We now also return a boolean which indicates whether the operator was successful or not. Differential revision: https://reviews.llvm.org/D47495 rdar://37791687 llvm-svn: 333540 |
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