[clang-tools-extra] [clang-doc] document global variables (PR #145070)

[Erick Velez via cfe-commits]

================
@@ -25,7 +24,7 @@ typedef int MyTypedef;
 // CHECK-NEXT:      {
 // CHECK-NEXT:        "Location": {
 // CHECK-NEXT:          "Filename": "{{.*}}namespace.cpp",
-// CHECK-NEXT:          "LineNumber": 15
+// CHECK-NEXT:          "LineNumber": 14
----------------
evelez7 wrote:

After our offline discussion, I think having one test to correctly check line numbers would be a pretty good compromise.

https://github.com/llvm/llvm-project/pull/145070