[Orc][Modules] Fix Modules build fallout from a34680a33eb.

In a34680a33eb OrcError.h and Orc/RPC/*.h were split out from the rest of
ExecutionEngine in order to eliminate false dependencies for remote JIT
targets (see https://reviews.llvm.org/D68732), however this broke modules
builds (see https://reviews.llvm.org/D69817).

This patch splits these headers out into a separate module, LLVM_OrcSupport,
in order to fix the modules build.

Fixes <rdar://56377508>.

1 files changed, 5 insertions, 2 deletions

diff --git a/llvm/lib/Support/Error.cpp b/llvm/lib/Support/Error.cpp
index 9ea08c37478..27e0a49e9b8 100644
--- a/llvm/lib/Support/Error.cpp
+++ b/llvm/lib/Support/Error.cpp
@@ -10,6 +10,7 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/Signals.h"
 #include <system_error>
 
 using namespace llvm;
@@ -103,11 +104,13 @@ std::error_code errorToErrorCode(Error Err) {
 #if LLVM_ENABLE_ABI_BREAKING_CHECKS
 void Error::fatalUncheckedError() const {
   dbgs() << "Program aborted due to an unhandled Error:\n";
-  if (getPtr())
+  if (getPtr()) {
     getPtr()->log(dbgs());
-  else
+    dbgs() << "\n";
+  }else
     dbgs() << "Error value was Success. (Note: Success values must still be "
               "checked prior to being destroyed).\n";
+  PrintStackTrace();
   abort();
 }
 #endif