Merge pull request swiftlang#32463 from gottesmm/pr-5c6b13d738cbb58bfc76924a3d70f6194406f6b0

[sil-opt] Add EnablePrettyStackTraceOnSigInfoForThisThread like we do in the Frontend.

Author: gottesmm

tools/sil-opt/SILOpt.cpp

@@ -299,6 +299,7 @@ void anchorForGetMainExecutable() {}
 int main(int argc, char **argv) {
   PROGRAM_START(argc, argv);
   INITIALIZE_LLVM();
+  llvm::EnablePrettyStackTraceOnSigInfoForThisThread();
 
   llvm::cl::ParseCommandLineOptions(argc, argv, "Swift SIL optimizer\n");