* module/language/c99/compiler.mes (expr->base*): New function.
(expr->accu): Use it to have value in accu for assignments.
* scaffold/tests/77-pointer-assign.c (test): Test it.
* stage0/x86.M1 (mov____%ecx,(%edx), mov___(%eax),%ecx): New define.
* module/mes/as-i386.mes (accu-mem->base->mem): New function.
(i386:byte-base->accu-mem+n):
(i386:byte-base->accu-mem):
(i386:base-mem->accu-mem):
(i386:base->accu-mem):
(i386:value->accu-mem+n):
(i386:value->accu-mem):
(i386:accu->base-mem+n):
(i386:byte-accu->base-mem):
(i386:accu->base-mem): Rename from accu-address, base-address.
Update callers.
* module/mes/as-i386.scm (mes): Update exports.
* module/language/c99/compiler.mes (decl->info): Support foo *bar[baz].
* module/language/c99/compiler.mes (push-global): Support push of -2,
-1. Change signature to take info. Update callers.
(push-global-address): Change signature to take info. Update callers.
* module/language/c99/compiler.mes (expr->accu): Support size for more expressions.
(expr->pointer):
(expr->size): Support more expressions.
* scaffold/tests/77-pointer-assign.c (add0): Test it.
* module/language/c99/compiler.mes (expr->accu): Thinko for de-ref assign.
* stage0/x86.M1: Fix typos.
* module/mes/as-i386.mes: Update for typos.
* scaffold/tests/77-pointer-assign.c: Test it.
* make.scm (add-scaffold-test): Build it.
