produces a program database (pdb) that contains type information and symbolic debugging information for use with the debugger.
产生包含用于调试器的类型信息和符号调试信息的程序数据库 (pdb)。
when you use optimizations to create a release build, the compiler will not produce symbolic debugging information.
当使用优化创建发布版本时,编译器不会产生符号调试信息。
the symbolic debugging information includes the names and types of variables, as well as functions and line numbers.
符号调试信息包括变量的名称和类型以及函数和行号。