diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 18c917c55a41..038f682f6290 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -8426,7 +8426,7 @@ void darwin::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   if (Args.hasFlag(options::OPT_fsave_optimization_record,
                    options::OPT_fno_save_optimization_record, false)) {
     CmdArgs.push_back("-mllvm");
-    CmdArgs.push_back("-pass-remarks-output");
+    CmdArgs.push_back("-lto-pass-remarks-output");
     CmdArgs.push_back("-mllvm");
 
     SmallString<128> F;
diff --git a/clang/test/Driver/darwin-ld.c b/clang/test/Driver/darwin-ld.c
index 764081cf73eb..8bd86af6c5cf 100644
--- a/clang/test/Driver/darwin-ld.c
+++ b/clang/test/Driver/darwin-ld.c
@@ -328,11 +328,11 @@
 // LINK_VERSION_DIGITS: invalid version number in '-mlinker-version=133.3.0.1.a'
 // LINK_VERSION_DIGITS: invalid version number in '-mlinker-version=133.3.0.1a'
 
-// Check that we're passing -pass-remarks-output for LTO
+// Check that we're passing -lto-pass-remarks-output for LTO
 // RUN: %clang -target x86_64-apple-darwin12 %t.o -fsave-optimization-record -### -o foo/bar.out 2> %t.log
 // RUN: FileCheck -check-prefix=PASS_REMARKS_OUTPUT %s < %t.log
-// PASS_REMARKS_OUTPUT: "-mllvm" "-pass-remarks-output" "-mllvm" "foo/bar.out.opt.yaml"
+// PASS_REMARKS_OUTPUT: "-mllvm" "-lto-pass-remarks-output" "-mllvm" "foo/bar.out.opt.yaml"
 
 // RUN: %clang -target x86_64-apple-darwin12 %t.o -fsave-optimization-record -### 2> %t.log
 // RUN: FileCheck -check-prefix=PASS_REMARKS_OUTPUT_NO_O %s < %t.log
-// PASS_REMARKS_OUTPUT_NO_O: "-mllvm" "-pass-remarks-output" "-mllvm" "a.out.opt.yaml"
+// PASS_REMARKS_OUTPUT_NO_O: "-mllvm" "-lto-pass-remarks-output" "-mllvm" "a.out.opt.yaml"