diff --git a/clang/lib/Driver/ToolChains/FreeBSD.cpp b/clang/lib/Driver/ToolChains/FreeBSD.cpp
--- a/clang/lib/Driver/ToolChains/FreeBSD.cpp
+++ b/clang/lib/Driver/ToolChains/FreeBSD.cpp
@@ -223,10 +223,12 @@
   case llvm::Triple::riscv32:
     CmdArgs.push_back("-m");
     CmdArgs.push_back("elf32lriscv");
+    CmdArgs.push_back("-X");
     break;
   case llvm::Triple::riscv64:
     CmdArgs.push_back("-m");
     CmdArgs.push_back("elf64lriscv");
+    CmdArgs.push_back("-X");
     break;
   default:
     break;
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -465,6 +465,8 @@
     D.Diag(diag::err_target_unknown_triple) << Triple.str();
     return;
   }
+  if (Triple.isRISCV())
+    CmdArgs.push_back("-X");
 
   if (Args.hasArg(options::OPT_shared))
     CmdArgs.push_back("-shared");
diff --git a/clang/lib/Driver/ToolChains/RISCVToolchain.cpp b/clang/lib/Driver/ToolChains/RISCVToolchain.cpp
--- a/clang/lib/Driver/ToolChains/RISCVToolchain.cpp
+++ b/clang/lib/Driver/ToolChains/RISCVToolchain.cpp
@@ -163,6 +163,7 @@
   } else {
     CmdArgs.push_back("elf32lriscv");
   }
+  CmdArgs.push_back("-X");
 
   std::string Linker = getToolChain().GetLinkerPath();
 
diff --git a/clang/test/Driver/riscv32-toolchain.c b/clang/test/Driver/riscv32-toolchain.c
--- a/clang/test/Driver/riscv32-toolchain.c
+++ b/clang/test/Driver/riscv32-toolchain.c
@@ -23,6 +23,7 @@
 
 // C-RV32-BAREMETAL-ILP32: "{{.*}}Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/../../..{{/|\\\\}}..{{/|\\\\}}bin{{/|\\\\}}riscv32-unknown-elf-ld"
 // C-RV32-BAREMETAL-ILP32: "--sysroot={{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf"
+// C-RV64-BAREMETAL-LP64-SAME: "-X"
 // C-RV32-BAREMETAL-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib{{/|\\\\}}crt0.o"
 // C-RV32-BAREMETAL-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1{{/|\\\\}}crtbegin.o"
 // C-RV32-BAREMETAL-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1"
@@ -83,7 +84,7 @@
 
 // C-RV32-LINUX-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/../../..{{/|\\\\}}..{{/|\\\\}}riscv64-unknown-linux-gnu/bin{{/|\\\\}}ld"
 // C-RV32-LINUX-MULTI-ILP32: "--sysroot={{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot"
-// C-RV32-LINUX-MULTI-ILP32: "-m" "elf32lriscv"
+// C-RV32-LINUX-MULTI-ILP32: "-m" "elf32lriscv" "-X"
 // C-RV32-LINUX-MULTI-ILP32: "-dynamic-linker" "/lib/ld-linux-riscv32-ilp32.so.1"
 // C-RV32-LINUX-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/ilp32{{/|\\\\}}crtbegin.o"
 // C-RV32-LINUX-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/ilp32"
diff --git a/clang/test/Driver/riscv64-toolchain.c b/clang/test/Driver/riscv64-toolchain.c
--- a/clang/test/Driver/riscv64-toolchain.c
+++ b/clang/test/Driver/riscv64-toolchain.c
@@ -23,6 +23,7 @@
 
 // C-RV64-BAREMETAL-LP64: "{{.*}}Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/../../..{{/|\\\\}}..{{/|\\\\}}bin{{/|\\\\}}riscv64-unknown-elf-ld"
 // C-RV64-BAREMETAL-LP64: "--sysroot={{.*}}/Inputs/basic_riscv64_tree/riscv64-unknown-elf"
+// C-RV64-BAREMETAL-LP64-SAME: "-X"
 // C-RV64-BAREMETAL-LP64: "{{.*}}/Inputs/basic_riscv64_tree/riscv64-unknown-elf/lib{{/|\\\\}}crt0.o"
 // C-RV64-BAREMETAL-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1{{/|\\\\}}crtbegin.o"
 // C-RV64-BAREMETAL-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1"
@@ -83,7 +84,7 @@
 
 // C-RV64-LINUX-MULTI-LP64: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/../../..{{/|\\\\}}..{{/|\\\\}}riscv64-unknown-linux-gnu/bin{{/|\\\\}}ld"
 // C-RV64-LINUX-MULTI-LP64: "--sysroot={{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot"
-// C-RV64-LINUX-MULTI-LP64: "-m" "elf64lriscv"
+// C-RV64-LINUX-MULTI-LP64: "-m" "elf64lriscv" "-X"
 // C-RV64-LINUX-MULTI-LP64: "-dynamic-linker" "/lib/ld-linux-riscv64-lp64.so.1"
 // C-RV64-LINUX-MULTI-LP64: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib64/lp64{{/|\\\\}}crtbegin.o"
 // C-RV64-LINUX-MULTI-LP64: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib64/lp64"