|  | // RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -dwarf-explicit-import -O0 %s -o - | FileCheck --check-prefix=IMPORT %s | 
|  | // RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -O0 %s -o - | FileCheck --check-prefix=NOIMPORT %s | 
|  |  | 
|  | namespace | 
|  | { | 
|  | int a = 5; | 
|  | } | 
|  | int *b = &a; | 
|  |  | 
|  | namespace | 
|  | { | 
|  | namespace { | 
|  | int a1 = 5; | 
|  | } | 
|  | int a2 = 7; | 
|  | } | 
|  | int *b1 = &a1; | 
|  | int *b2 = &a2; | 
|  |  | 
|  | // IMPORT:  [[NS:![0-9]+]] = !DINamespace | 
|  | // IMPORT:  [[CU:![0-9]+]] = distinct !DICompileUnit | 
|  | // IMPORT:  [[NS2:![0-9]+]] = !DINamespace | 
|  | // IMPORT: !DIImportedEntity(tag: DW_TAG_imported_module, scope: [[CU]], entity: [[NS]], file: {{![0-9]+}}) | 
|  | // IMPORT: !DIImportedEntity(tag: DW_TAG_imported_module, scope: [[NS]], entity: [[NS2]], file: {{![0-9]+}}, line: {{[0-9]+}}) | 
|  | // NOIMPORT-NOT: !DIImportedEntity |