[OPENMP] Add debug info for generated functions.

Most of the generated functions for the OpenMP were generated with
disabled debug info. Patch fixes this for better user experience.

llvm-svn: 321816
diff --git a/clang/test/OpenMP/target_parallel_debug_codegen.cpp b/clang/test/OpenMP/target_parallel_debug_codegen.cpp
index 385f7a2..9fad283 100644
--- a/clang/test/OpenMP/target_parallel_debug_codegen.cpp
+++ b/clang/test/OpenMP/target_parallel_debug_codegen.cpp
@@ -116,8 +116,8 @@
 // CHECK: !DILocalVariable(name: ".bound_tid.",
 // CHECK-SAME: DIFlagArtificial
 // CHECK: !DILocalVariable(name: "c",
-// CHECK-SAMEi-NOT: DIFlagArtificial
+// CHECK-SAME: line: 11
 // CHECK: !DILocalVariable(name: "a",
-// CHECK-SAMEi-NOT: DIFlagArtificial
+// CHECK-SAME: line: 9
 // CHECK: !DILocalVariable(name: "b",
-// CHECK-SAMEi-NOT: DIFlagArtificial
+// CHECK-SAME: line: 10