[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>.

3 files changed, 12 insertions, 2 deletions

diff --git a/llvm/lib/ExecutionEngine/OrcError/OrcError.cpp b/llvm/lib/ExecutionEngine/OrcError/OrcError.cpp
index e6e9a095319..5eab246d4b4 100644
--- a/llvm/lib/ExecutionEngine/OrcError/OrcError.cpp
+++ b/llvm/lib/ExecutionEngine/OrcError/OrcError.cpp
@@ -14,6 +14,8 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ManagedStatic.h"
 
+#include <type_traits>
+
 using namespace llvm;
 using namespace llvm::orc;
 
diff --git a/llvm/lib/ExecutionEngine/OrcError/RPCError.cpp b/llvm/lib/ExecutionEngine/OrcError/RPCError.cpp
index b77a526f571..3cf78fd9f7b 100644
--- a/llvm/lib/ExecutionEngine/OrcError/RPCError.cpp
+++ b/llvm/lib/ExecutionEngine/OrcError/RPCError.cpp
@@ -11,6 +11,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ExecutionEngine/Orc/RPC/RPCUtils.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/raw_ostream.h"
+
+#include <system_error>
+#include <string>
 
 char llvm::orc::rpc::RPCFatalError::ID = 0;
 char llvm::orc::rpc::ConnectionClosed::ID = 0;
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