[cfe-commits] r133212 - /cfe/trunk/lib/Frontend/InitHeaderSearch.cpp

Chris Lattner sabre at nondot.org
Thu Jun 16 15:58:11 PDT 2011

Author: lattner
Date: Thu Jun 16 17:58:10 2011
New Revision: 133212

URL: http://llvm.org/viewvc/llvm-project?rev=133212&view=rev
Fix a regression introduced by r131955 which broke #include_next in subtle situations
because the Angled directories and the System directories were not being uniqued 
together, breaking #include_next.  I'll see about a testcase, but it will be insane.


Modified: cfe/trunk/lib/Frontend/InitHeaderSearch.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/InitHeaderSearch.cpp?rev=133212&r1=133211&r2=133212&view=diff
--- cfe/trunk/lib/Frontend/InitHeaderSearch.cpp (original)
+++ cfe/trunk/lib/Frontend/InitHeaderSearch.cpp Thu Jun 16 17:58:10 2011
@@ -1050,7 +1050,10 @@
-  RemoveDuplicates(SearchList, NumAngled, Verbose);
+  // Remove duplicates across both the Angled and System directories.  GCC does
+  // this and failing to remove duplicates across these two groups breaks
+  // #include_next.
+  RemoveDuplicates(SearchList, NumQuoted, Verbose);
   bool DontSearchCurDir = false;  // TODO: set to true if -I- is set?
   Headers.SetSearchPaths(SearchList, NumQuoted, NumAngled, DontSearchCurDir);

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