[LLVMdev] Idea for Google Summer Code : C Compiler for EFI Byte Code implement in LLVM

Chris Lattner clattner at apple.com
Thu Apr 1 15:00:04 PDT 2010

On Apr 1, 2010, at 1:27 PM, 琬菁楊 wrote:
> int main()
> {
>   size_t size;
>   size = fsize3(10); // fsize3 returns 13
>   return 0;
> }
> And I found some information with clang about VLA
> (http://clang.llvm.org/cxx_compatibility.html#vla)
> Does llvm/clang doesn't support sizeof is evaluated at run time??

Yes, clang supports vlas as defined in C99 and sizeof can return a dynamic value.   C99 vlas cannot occur in structs though, and clang does not support them in structs.

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