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e970f782ec
The `expandTildeExpr` routine just replaces a tilde by a home dir path. If the home dir has a trailing slash, the result of substitution will contain double slashes. For example, `HOME=/foo/ ~/bar` gives `/foo//bar`. That corresponds to (at least) Bash behaviour because the following command `$HOME=/foo/ echo ~/bar` prints `/foo//bar`. The `ExpandTilde` test constructs a path expected as the `fs::expand_tilde` call result by calling `path::append` and the expected path has a single slash. This patch fixes that and allows to pass the unittest on hosts where the `HOME` is `/`. Differential Revision: http://reviews.llvm.org/D54752 llvm-svn: 347346