Convert more abort() calls to llvm_report_error().
Also remove trailing semicolon.

llvm-svn: 75027
diff --git a/llvm/lib/Target/Alpha/AlphaJITInfo.cpp b/llvm/lib/Target/Alpha/AlphaJITInfo.cpp
index ba7478e..6e9579a 100644
--- a/llvm/lib/Target/Alpha/AlphaJITInfo.cpp
+++ b/llvm/lib/Target/Alpha/AlphaJITInfo.cpp
@@ -184,8 +184,7 @@
       );
 #else
   void AlphaCompilationCallback() {
-    cerr << "Cannot call AlphaCompilationCallback() on a non-Alpha arch!\n";
-    abort();
+    LLVM_UNREACHABLE("Cannot call AlphaCompilationCallback() on a non-Alpha arch!");
   }
 #endif
 }