Fix codegen test after change of llvm type naming scheme

Author: michaelwoerister

src/test/codegen/lifetime_start_end.rs

@@ -27,16 +27,16 @@ pub fn test() {
         let b = &Some(a);
         &b; // keep variable in an alloca
 
-// CHECK: [[S_b:%[0-9]+]] = bitcast %"2.std::option::Option<i32>"** %b to i8*
+// CHECK: [[S_b:%[0-9]+]] = bitcast %"core::option::Option<i32>"** %b to i8*
 // CHECK: call void @llvm.lifetime.start(i{{[0-9 ]+}}, i8* [[S_b]])
 
-// CHECK: [[S__5:%[0-9]+]] = bitcast %"2.std::option::Option<i32>"* %_5 to i8*
+// CHECK: [[S__5:%[0-9]+]] = bitcast %"core::option::Option<i32>"* %_5 to i8*
 // CHECK: call void @llvm.lifetime.start(i{{[0-9 ]+}}, i8* [[S__5]])
 
-// CHECK: [[E__5:%[0-9]+]] = bitcast %"2.std::option::Option<i32>"* %_5 to i8*
+// CHECK: [[E__5:%[0-9]+]] = bitcast %"core::option::Option<i32>"* %_5 to i8*
 // CHECK: call void @llvm.lifetime.end(i{{[0-9 ]+}}, i8* [[E__5]])
 
-// CHECK: [[E_b:%[0-9]+]] = bitcast %"2.std::option::Option<i32>"** %b to i8*
+// CHECK: [[E_b:%[0-9]+]] = bitcast %"core::option::Option<i32>"** %b to i8*
 // CHECK: call void @llvm.lifetime.end(i{{[0-9 ]+}}, i8* [[E_b]])
     }