message: ARMDefines.h: fix -Wimplicit-fallthrough in -DLLVM_ENABLE_ASSERTIONS=OFF builds
diff: #ifndef lldb_ARMDefines_h_
  #define lldb_ARMDefines_h_
  +#include "llvm/Support/ErrorHandling.h"
  +
  #include <cassert>
  #include <cstdint>
  @@ -68,8 +70,6 @@ typedef enum {
  static inline const char *ARMCondCodeToString(uint32_t CC) {
  switch (CC) {
  - default:
  - assert(0 && "Unknown condition code");
  case COND_EQ:
  return "eq";
  case COND_NE:
  @@ -101,6 +101,7 @@ static inline const char *ARMCondCodeToString(uint32_t CC) {
  case COND_AL:
  return "al";
  }
  + llvm_unreachable("Unknown condition code");
  }
  static inline bool ARMConditionPassed(const uint32_t condition,
  