Merging r354723:

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r354723 | brad | 2019-02-23 08:21:19 +0100 (Sat, 23 Feb 2019) | 3 lines

Remove OpenBSD case for old system libstdc++ header path as OpenBSD
has switched to libc++.

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llvm-svn: 354859

Author: zmodem

clang/lib/Frontend/InitHeaderSearch.cpp

@@ -433,14 +433,6 @@ void InitHeaderSearch::AddDefaultCPlusPlusIncludePaths(
   case llvm::Triple::DragonFly:
     AddPath("/usr/include/c++/5.0", CXXSystem, false);
     break;
-  case llvm::Triple::OpenBSD: {
-    std::string t = triple.getTriple();
-    if (t.substr(0, 6) == "x86_64")
-      t.replace(0, 6, "amd64");
-    AddGnuCPlusPlusIncludePaths("/usr/include/g++",
-                                t, "", "", triple);
-    break;
-  }
   case llvm::Triple::Minix:
     AddGnuCPlusPlusIncludePaths("/usr/gnu/include/c++/4.4.3",
                                 "", "", "", triple);