Merge remote-tracking branch 'origin/swift-4.0-branch' into stable

* origin/swift-4.0-branch:
  Merging r294806: ------------------------------------------------------------------------ r294806 | dim | 2017-02-11 00:48:40 +0100 (Sat, 11 Feb 2017) | 15 lines
  Merging r294886: ------------------------------------------------------------------------ r294886 | weimingz | 2017-02-11 21:10:25 -0800 (Sat, 11 Feb 2017) | 9 lines
diff --git a/lib/builtins/arm/subsf3vfp.S b/lib/builtins/arm/subsf3vfp.S
index a9f3ba9..3e83ea2 100644
--- a/lib/builtins/arm/subsf3vfp.S
+++ b/lib/builtins/arm/subsf3vfp.S
@@ -21,7 +21,7 @@
 DEFINE_COMPILERRT_FUNCTION(__subsf3vfp)
 #if defined(COMPILER_RT_ARMHF_TARGET)
 	vsub.f32 s0, s0, s1
-#elsee
+#else
 	vmov	s14, r0		// move first param from r0 into float register
 	vmov	s15, r1		// move second param from r1 into float register
 	vsub.f32 s14, s14, s15
diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
index fbde5e1..683f019 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -23,11 +23,6 @@
 #ifdef _FILE_OFFSET_BITS
 #undef _FILE_OFFSET_BITS
 #endif
-#if SANITIZER_FREEBSD
-#define _WANT_RTENTRY
-#include <sys/param.h>
-#include <sys/socketvar.h>
-#endif
 #include <arpa/inet.h>
 #include <dirent.h>
 #include <errno.h>
@@ -433,6 +428,7 @@
   unsigned struct_input_absinfo_sz = sizeof(struct input_absinfo);
   unsigned struct_input_id_sz = sizeof(struct input_id);
   unsigned struct_mtpos_sz = sizeof(struct mtpos);
+  unsigned struct_rtentry_sz = sizeof(struct rtentry);
   unsigned struct_termio_sz = sizeof(struct termio);
   unsigned struct_vt_consize_sz = sizeof(struct vt_consize);
   unsigned struct_vt_sizes_sz = sizeof(struct vt_sizes);
@@ -452,7 +448,6 @@
   unsigned struct_midi_info_sz = sizeof(struct midi_info);
   unsigned struct_mtget_sz = sizeof(struct mtget);
   unsigned struct_mtop_sz = sizeof(struct mtop);
-  unsigned struct_rtentry_sz = sizeof(struct rtentry);
   unsigned struct_sbi_instrument_sz = sizeof(struct sbi_instrument);
   unsigned struct_seq_event_rec_sz = sizeof(struct seq_event_rec);
   unsigned struct_synth_info_sz = sizeof(struct synth_info);