[ORC] Errorize the ORC APIs.

This patch updates the ORC layers and utilities to return and propagate
llvm::Errors where appropriate. This is necessary to allow ORC to safely handle
error cases in cross-process and remote JITing.

llvm-svn: 307350

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/examples/Kaleidoscope/Chapter4/toy.cpp b/llvm/examples/Kaleidoscope/Chapter4/toy.cpp
index cf7d6c2bee0..921fa890804 100644
--- a/llvm/examples/Kaleidoscope/Chapter4/toy.cpp
+++ b/llvm/examples/Kaleidoscope/Chapter4/toy.cpp
@@ -611,7 +611,7 @@ static void HandleTopLevelExpression() {
 
       // Get the symbol's address and cast it to the right type (takes no
       // arguments, returns a double) so we can call it as a native function.
-      double (*FP)() = (double (*)())(intptr_t)ExprSymbol.getAddress();
+      double (*FP)() = (double (*)())(intptr_t)cantFail(ExprSymbol.getAddress());
       fprintf(stderr, "Evaluated to %f\n", FP());
 
       // Delete the anonymous expression module from the JIT.