According to the standard definition, assert should return a void expression
https://pubs.opengroup.org/onlinepubs/007904875/basedefs/assert.h.html

This patch involves two changes:

If you define the NDEBUG macro, assert does not use any parameters and directly returns a void expression.
assert should return a void expression and cannot use do-while statements.
If the following code , a compilation error will occur.

Signed-off-by: yinshengkai <[email protected]>

The implementation of assert in linux is as follows:

After defining NDEBUG in sqlite, some variables will be undefined,
and referencing variables in assert will cause compilation errors.

sqlite3.c:28729:23: error: ‘mutexIsInit’ undeclared (first use in this function)
28729 |   assert( GLOBAL(int, mutexIsInit) );

Signed-off-by: yinshengkai <[email protected]>