From 7442d6faa2719e4e7d33a7021c406c5a4facd74d Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Sun, 16 Apr 2017 16:02:28 +0000 Subject: Vendor import of clang trunk r300422: https://llvm.org/svn/llvm-project/cfe/trunk@300422 --- lib/Lex/HeaderSearch.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'lib/Lex/HeaderSearch.cpp') diff --git a/lib/Lex/HeaderSearch.cpp b/lib/Lex/HeaderSearch.cpp index c667f4bf22070..4ee38719289bc 100644 --- a/lib/Lex/HeaderSearch.cpp +++ b/lib/Lex/HeaderSearch.cpp @@ -172,8 +172,10 @@ std::string HeaderSearch::getModuleFileName(StringRef ModuleName, // // To avoid false-negatives, we form as canonical a path as we can, and map // to lower-case in case we're on a case-insensitive file system. - auto *Dir = - FileMgr.getDirectory(llvm::sys::path::parent_path(ModuleMapPath)); + std::string Parent = llvm::sys::path::parent_path(ModuleMapPath); + if (Parent.empty()) + Parent = "."; + auto *Dir = FileMgr.getDirectory(Parent); if (!Dir) return std::string(); auto DirName = FileMgr.getCanonicalName(Dir); -- cgit v1.2.3