renamed the flag name

Signed-off-by: Karan Janthe <[email protected]>

Author: KMJ-007

compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs

@@ -68,7 +68,7 @@ pub(crate) mod Enzyme_AD {
         static mut EnzymePrintPerf: c_void;
         static mut EnzymePrintActivity: c_void;
         static mut EnzymePrintType: c_void;
-        static mut FunctionToAnalyze: c_void;
+        static mut EnzymeFunctionToAnalyze: c_void;
         static mut EnzymePrint: c_void;
         static mut EnzymeStrictAliasing: c_void;
         static mut looseTypeAnalysis: c_void;
@@ -94,7 +94,7 @@ pub(crate) mod Enzyme_AD {
         let c_fun_name = CString::new(fun_name).unwrap();
         unsafe {
             EnzymeSetCLString(
-                std::ptr::addr_of_mut!(FunctionToAnalyze),
+                std::ptr::addr_of_mut!(EnzymeFunctionToAnalyze),
                 c_fun_name.as_ptr() as *const c_char,
             );
         }