[PATCH] Enable standalone-debug by default on FreeBSD

[Ed Maste]

It was set by default on Darwin in r198655.  The same usability issues
with DTrace and LLDB apply to FreeBSD, so set it by default there too.

rdar://problem/15758808
http://llvm.org/pr19676

http://reviews.llvm.org/D3654

Files:
  lib/Frontend/CompilerInvocation.cpp

Index: lib/Frontend/CompilerInvocation.cpp
===================================================================
--- lib/Frontend/CompilerInvocation.cpp
+++ lib/Frontend/CompilerInvocation.cpp
@@ -325,9 +325,10 @@
   } else if (Args.hasArg(OPT_g_Flag) || Args.hasArg(OPT_gdwarf_2) ||
              Args.hasArg(OPT_gdwarf_3) || Args.hasArg(OPT_gdwarf_4)) {
     bool Default = false;
-    // Until dtrace (via CTF) can deal with distributed debug info,
-    // Darwin defaults to standalone/full debug info.
-    if (llvm::Triple(TargetOpts.Triple).isOSDarwin())
+    // Until dtrace (via CTF) and LLDB can deal with distributed debug info,
+    // Darwin and FreeBSD default to standalone/full debug info.
+    if (llvm::Triple(TargetOpts.Triple).isOSDarwin() ||
+        llvm::Triple(TargetOpts.Triple).isOSFreeBSD())
       Default = true;
 
     if (Args.hasFlag(OPT_fstandalone_debug, OPT_fno_standalone_debug, Default))
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