Enable the setjmp/longjmp lowering pass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8521 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index 8a42dc9..27ae11c 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -45,6 +45,7 @@
 
 void AddConfiguredTransformationPasses(PassManager &PM) {
   PM.add(createVerifierPass());                  // Verify that input is correct
+  addPass(PM, createLowerSetJmpPass());          // Lower llvm.setjmp/.longjmp
   addPass(PM, createFunctionResolvingPass());    // Resolve (...) functions
   addPass(PM, createRaiseAllocationsPass());     // call %malloc -> malloc inst
   addPass(PM, createGlobalDCEPass());            // Remove unused globals