Index: lib/Driver/ToolChains/FreeBSD.cpp
===================================================================
--- lib/Driver/ToolChains/FreeBSD.cpp
+++ lib/Driver/ToolChains/FreeBSD.cpp
@@ -408,7 +408,7 @@
 SanitizerMask FreeBSD::getSupportedSanitizers() const {
   const bool IsX86 = getTriple().getArch() == llvm::Triple::x86;
   const bool IsX86_64 = getTriple().getArch() == llvm::Triple::x86_64;
-  const bool IsMIPS64 = getTriple().isMIPS32();
+  const bool IsMIPS64 = getTriple().isMIPS64();
   SanitizerMask Res = ToolChain::getSupportedSanitizers();
   Res |= SanitizerKind::Address;
   Res |= SanitizerKind::Vptr;
Index: test/Driver/fsanitize.c
===================================================================
--- test/Driver/fsanitize.c
+++ test/Driver/fsanitize.c
@@ -316,6 +316,12 @@
 // RUN: %clang -target mips-unknown-linux -fsanitize=leak %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANL-MIPS
 // CHECK-SANL-MIPS: unsupported option '-fsanitize=leak' for target 'mips-unknown-linux'
 
+// RUN: %clang -target mips-unknown-freebsd -fsanitize=leak %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANL-MIPS-FREEBSD
+// CHECK-SANL-MIPS-FREEBSD: unsupported option '-fsanitize=leak' for target 'mips-unknown-freebsd'
+
+// RUN: %clang -target mips64-unknown-freebsd -fsanitize=leak %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANL-MIPS64-FREEBSD
+// CHECK-SANL-MIPS64-FREEBSD: "-fsanitize=leak"
+
 // RUN: %clang -target powerpc64-unknown-linux -fsanitize=leak %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANL-PPC64
 // RUN: %clang -target powerpc64le-unknown-linux -fsanitize=leak %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANL-PPC64
 // CHECK-SANL-PPC64: "-fsanitize=leak"