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
@@ -184,6 +184,7 @@
   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
 
   Args.AddAllArgs(CmdArgs, options::OPT_L);
+  Args.AddAllArgs(CmdArgs, options::OPT_u);
   ToolChain.AddFilePathLibArgs(Args, CmdArgs);
   Args.AddAllArgs(CmdArgs,
                   {options::OPT_T_Group, options::OPT_e, options::OPT_s,
diff --git a/clang/test/Driver/riscv-args.c b/clang/test/Driver/riscv-args.c
--- a/clang/test/Driver/riscv-args.c
+++ b/clang/test/Driver/riscv-args.c
@@ -5,3 +5,8 @@
 // RUN:   --gcc-toolchain= -Xlinker --defsym=FOO=10 -T a.lds %s 2>&1 \
 // RUN:   | FileCheck -check-prefix=CHECK-LD %s
 // CHECK-LD: {{.*}} "--defsym=FOO=10" {{.*}} "-T" "a.lds"
+
+// Make sure -u has passed to linker
+// RUN: %clang -### -target riscv32 --gcc-toolchain= -u foo %s 2>&1 \
+// RUN:   | FileCheck -check-prefix=CHECK-U-LD %s
+// CHECK-U-LD: {{.*}} "-u" "foo"