1 files changed, 5 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index 8ad438ab8ae..69b1fd9c2d2 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -1720,7 +1720,11 @@ extern "C" {
         BufferOut: &RustString,
     );
 
-    pub fn LLVMRustCoverageCreatePGOFuncNameVar(F: &Value, FuncName: *const c_char) -> &Value;
+    pub fn LLVMRustCoverageCreatePGOFuncNameVar(
+        F: &Value,
+        FuncName: *const c_char,
+        FuncNameLen: size_t,
+    ) -> &Value;
     pub fn LLVMRustCoverageHashByteArray(Bytes: *const c_char, NumBytes: size_t) -> u64;
 
     #[allow(improper_ctypes)]