[GitHub] Clang-Cl 12.0.0: 'error: function declaration cannot have variably modified type'

D:\a\reactos\reactos\src\dll\appcompat\apphelp\hsdb.c(36,1): error: function declaration cannot have variably modified type

C_ASSERT(offsetof(ShimData, dwMagic) == offsetof(ReactOS_ShimData, dwMagic));

^

sdk\include\psdk\winnt.h(807,38): note: expanded from macro 'C_ASSERT'

#define C_ASSERT(expr) extern char (*c_assert(void)) [(expr) ? 1 : -1]

                                     ^

D:\a\reactos\reactos\src\dll\appcompat\apphelp\hsdb.c(37,1): error: function declaration cannot have variably modified type

C_ASSERT(offsetof(ShimData, dwRosProcessCompatVersion) == offsetof(ReactOS_ShimData, dwRosProcessCompatVersion));

^

sdk\include\psdk\winnt.h(807,38): note: expanded from macro 'C_ASSERT'

#define C_ASSERT(expr) extern char (*c_assert(void)) [(expr) ? 1 : -1]

                                     ^

2 errors generated.