freaky-deaky outside debugger-only crash in NoteData. Why didn't VC7 catch use of an uninitialized variable?!?

stepmania/src/Song.cpp

@@ -413,7 +413,7 @@ void Song::TidyUpData()
 	else	// ! HasMusic()
 	{
 		m_fMusicLengthSeconds = 100;		// guess
-		LOG->Warn("File %s has no music; guessing at %f seconds", m_fMusicLengthSeconds);
+		LOG->Warn("This song has no music file; guessing at %f seconds", m_fMusicLengthSeconds);
 	}
 
 	/* Generate these before we autogen notes, so the new notes can inherit
@@ -446,6 +446,8 @@ void Song::TidyUpData()
 	// image is the banner, which is the background, and which is the CDTitle.
 	//
 
+	LOG->Trace("Looking for images...");
+
 	//
 	// First, check the file name for hints.
 	//