[clang] [llvm] [clang] Add `-verify-directives` cc1 flag (PR #179835)

[Vlad Serebrennikov via cfe-commits]

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@@ -187,6 +187,15 @@ def err_verify_no_directives : Error<
     "no expected directives found: consider use of '%0-no-diagnostics'">;
 def err_verify_nonconst_addrspace : Error<
   "qualifier 'const' is needed for variables in address space '%0'">;
+def err_verify_message_partial_match
+    : Error<"diagnostic messages of '%0' severity not fully matched: %1">;
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Endilll wrote:

Should be fixed now

https://github.com/llvm/llvm-project/pull/179835