Reverts r187449 (report_fatal_error) in favor of a log message since

the extra check introduces 22 new test failures with the LLDB clang buildbot.

Note that the unhandled DWARF_OP codes in DWARFExpression::Evaluate don't cause test failures if the check is ignored.

llvm-svn: 187480

lldb/source/Expression/DWARFExpression.cpp

@@ -11,8 +11,6 @@
 
 #include <vector>
 
-#include "llvm/Support/ErrorHandling.h"
-
 #include "lldb/Core/DataEncoder.h"
 #include "lldb/Core/dwarf.h"
 #include "lldb/Core/Log.h"
@@ -2662,7 +2660,9 @@ DWARFExpression::Evaluate
             }
             break;
         default:
-            llvm::report_fatal_error("Unhandled DWARF expression opcode! Please file a bug at llvm.org/bugs and attach the binary you were debugging.");
+            if (log)
+                log->Printf("Unhandled opcode %s in DWARFExpression.", DW_OP_value_to_name(op));
+            break;
         }
     }