gcc/jit/ChangeLog:
PR jit/66783
* jit-recording.h: Within namespace gcc:jit::recording...
(type::has_known_size): New virtual function.
(struct_has_known_size): New function.
* libgccjit.c (gcc_jit_context_new_field): Verify that the type
has a known size.
(gcc_jit_context_new_global): Likewise.
(gcc_jit_function_new_local): Likewise.
gcc/testsuite/ChangeLog:
PR jit/66783
* jit.dg/test-error-gcc_jit_context_new_field-opaque-struct.c: New
test case.
* jit.dg/test-error-gcc_jit_context_new_global-opaque-struct.c:
New test case.
* jit.dg/test-error-gcc_jit_function_new_local-opaque-struct.c:
New test case.
* jit.dg/test-error-mismatching-types-in-call.c (create_code):
Avoid using an opaque struct for local "f".
From-SVN: r225523
