RFA: PR 68913: Provide weak version of __fread_chk for PR61886 test

[Jakub Jelinek]

On Thu, Jan 07, 2016 at 05:31:13PM +0000, Nick Clifton wrote:
> -extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen, size_t
> __size, size_t __n, FILE *__restrict __stream) __asm__ ("" "__fread_chk")
> __attribute__ ((__warn_unused_result__));
> -extern size_t __fread_chk_warn (void *__restrict __ptr, size_t __ptrlen,
> size_t __size, size_t __n, FILE *__restrict __stream) __asm__ (""
> "__fread_chk")      __attribute__ ((__warn_unused_result__))
> __attribute__((__warning__ ("fread called with bigger size * nmemb than
> length " "of destination buffer")));
> +extern size_t __malloc (void *__restrict __ptr, size_t __ptrlen, size_t
> __size, size_t __n, FILE *__restrict __stream) __asm__ ("") __attribute__
> ((__warn_unused_result__));
> +extern size_t __malloc_warn (void *__restrict __ptr, size_t __ptrlen,
> size_t __size, size_t __n, FILE *__restrict __stream) __asm__ ("")

The __asm__ ("") on both decls is very weird.  The original had
"" "__fread_chk" aka "__fread_chk" instead.
But malloc really has also different arguments...

	Jakub