1 files changed, 4 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index 2ebfdae39e8..36303b08107 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -2112,6 +2112,8 @@ extern "C" {
     );
 
     pub fn LLVMRustGetHostCPUName(len: *mut usize) -> *const c_char;
+
+    // This function makes copies of pointed to data, so the data's lifetime may end after this function returns
     pub fn LLVMRustCreateTargetMachine(
         Triple: *const c_char,
         CPU: *const c_char,
@@ -2135,9 +2137,9 @@ extern "C" {
         ForceEmulatedTls: bool,
         ArgsCstrBuff: *const c_char,
         ArgsCstrBuffLen: usize,
-    ) -> Option<&'static mut TargetMachine>;
+    ) -> *mut TargetMachine;
 
-    pub fn LLVMRustDisposeTargetMachine(T: &'static mut TargetMachine);
+    pub fn LLVMRustDisposeTargetMachine(T: *mut TargetMachine);
     pub fn LLVMRustAddLibraryInfo<'a>(
         PM: &PassManager<'a>,
         M: &'a Module,