Fix llvm hang

compiler/rustc_codegen_ssa/src/mir/block.rs

@@ -1539,7 +1539,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
         let funclet;
         let llbb;
         let mut bx;
-        if base::wants_msvc_seh(self.cx.sess()) {
+        if base::wants_new_eh_instructions(self.cx.sess()) {
             // This is a basic block that we're aborting the program for,
             // notably in an `extern` function. These basic blocks are inserted
             // so that we assert that `extern` functions do indeed not panic,