[llvm] [LLVM] Parametrize hardcoded behaviors in diagnostics error handling. (PR #156439)

[Juan Manuel Martinez Caamaño via llvm-commits]

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@@ -264,8 +288,19 @@ void LLVMContext::diagnose(const DiagnosticInfo &DI) {
   errs() << getDiagnosticMessagePrefix(DI.getSeverity()) << ": ";
   DI.print(DP);
   errs() << "\n";
-  if (DI.getSeverity() == DS_Error)
-    exit(1);
+
+  if (DI.getSeverity() == DS_Error) {
+    switch (opts::HaltOnFirstDiagErrorOpt) {
+    case opts::HaltOnFirstDiagErrorAction::Exit:
+      exit(1);
+      break;
+    case opts::HaltOnFirstDiagErrorAction::Abort:
+      abort();
+      break;
+    case opts::HaltOnFirstDiagErrorAction::None:
+      break;
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jmmartinez wrote:

Does anything really use the `None` case ?

https://github.com/llvm/llvm-project/pull/156439