Minor fix of reproducer in #165572 (#168751)

Author: googlewalt

clang/test/Driver/crash-ir-repro.cpp

@@ -1,9 +1,8 @@
 // RUN: %clang -S -emit-llvm -o %t.ll %s
-// RUN: not %clang -S -DCRASH %s %t.ll 2>&1 | FileCheck %s
+// RUN: not %clang -S -DCRASH %s -o %t.ll 2>&1 | FileCheck %s
 
 // CHECK: Preprocessed source(s) and associated run script(s) are located at:
 // CHECK-NEXT: clang: note: diagnostic msg: {{.*}}.cpp
-// CHECK-NEXT: clang: note: diagnostic msg: {{.*}}.ll
 // CHECK-NEXT: clang: note: diagnostic msg: {{.*}}.sh
 
 #ifdef CRASH