[llvm] [llubi] Improve diagnostics and add stacktrace (PR #195449)

[Antonio Frighetto via llvm-commits]

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@@ -144,4 +166,19 @@ std::optional<ProgramExitInfo> ExecutorBase::getExitInfo() const {
 unsigned ExecutorBase::getIntSize() const {
   return CurrentFrame->TLI.getIntSize();
 }
+
+void ExecutorBase::dumpStackTrace() const {
+  errs() << "Stacktrace:\n";
+  const Frame *Frm = CurrentFrame;
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antoniofrighetto wrote:

No abbreviations when possible, s/Frm/TheFrame/g

https://github.com/llvm/llvm-project/pull/195449