[clang] [Clang] Fix a crash when using ast-dump=json (PR #70224)

[Tom Honermann via cfe-commits]

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@@ -217,21 +221,21 @@ void i();
 // CHECK-NEXT:    "id": "0x{{.*}}",
 // CHECK-NEXT:    "kind": "FunctionTemplateDecl",
 // CHECK-NEXT:    "loc": {
-// CHECK-NEXT:     "offset": {{[0-9]+}},
+// CHECK-NEXT:     "offset": 142,
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tahonermann wrote:

It looks like a regular expression was previously used to avoid sensitivity to the `offset` values. I'm not familiar with this test, but I see the comment above regarding using `gen_ast_dump_json_test.py` to generate the `CHECK` lines. Did you use that script?

https://github.com/llvm/llvm-project/pull/70224