[cfe-dev] OpenBSD/arm types

[Mark Kettenis via cfe-dev]

Like NetBSD, OpenBSD prefers having a consistent set of typedefs
across the architectures it supports over strictly following the ARM
ABIs.  The diff below makes sure that clang's view of those types
matches OpenBSD's system header files.

Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp	(revision 281825)
+++ lib/Basic/Targets.cpp	(working copy)
@@ -4679,8 +4679,10 @@
     DoubleAlign = LongLongAlign = LongDoubleAlign = SuitableAlign = 64;
     const llvm::Triple &T = getTriple();
 
-    // size_t is unsigned long on MachO-derived environments, NetBSD and Bitrig.
+    // size_t is unsigned long on MachO-derived environments, NetBSD,
+    // OpenBSD and Bitrig.
     if (T.isOSBinFormatMachO() || T.getOS() == llvm::Triple::NetBSD ||
+        T.getOS() == llvm::Triple::OpenBSD ||
         T.getOS() == llvm::Triple::Bitrig)
       SizeType = UnsignedLong;
     else
@@ -4688,6 +4690,7 @@
 
     switch (T.getOS()) {
     case llvm::Triple::NetBSD:
+    case llvm::Triple::OpenBSD:
       WCharType = SignedInt;
       break;
     case llvm::Triple::Win32:
@@ -4885,6 +4888,7 @@
 
     switch (getTriple().getOS()) {
     case llvm::Triple::NetBSD:
+    case llvm::Triple::OpenBSD:
       PtrDiffType = SignedLong;
       break;
     default: