diff options
-rw-r--r-- | src/emu/validity.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/validity.h b/src/emu/validity.h index de599199b73..8460ee4a7c0 100644 --- a/src/emu/validity.h +++ b/src/emu/validity.h @@ -44,7 +44,7 @@ public: // helpers for devices void validate_tag(const char *tag); - int region_length(const char *tag) { return m_region_map.find(tag)->second; } + int region_length(const char *tag) { auto i = m_region_map.find(tag); return i == m_region_map.end() ? 0 : i->second; } // generic registry of already-checked stuff bool already_checked(const char *string) { return !m_already_checked.insert(string).second; } |