test-many-klibcs: Disable CONFIG_REGPARM as broken on llvm/i386

When Clang 13 optimises printf() to puts() - and presumably in other
similar cases - it ignores the use of -mregparm and puts arguments on
the stack.

For now, disable CONFIG_REGPARM in this configuration.
1 file changed
tree: 59d03df498fd368361a721b143fabac13ef6161b
  1. .gitignore
  2. newklibc
  3. test-many-klibcs