From be43babc1886fc5efee898b2a3d0285012e511fb Mon Sep 17 00:00:00 2001 From: zinc Date: Thu, 15 Oct 2026 22:15:38 +0330 Subject: definite assignment: reading a local before it is initialized is a compile error (spec 4.1.5, b.1.9) track linited per local alongside the ownership state; snapshots, exit records and joins carry it, and a join keeps a local set only when every reaching path set it. x = e, a declaration initializer, &x (out-parameter), a full array initializer, or using an aggregate as an address set a local; field and element writes do not set the aggregate. while/for bodies that may run zero times do not count; do/while does. compiler, runtime, std, actor and lsp sources initialize the locals the rule flagged; zc0 accepts = {} brace lists (zeroed). tests: tests/errors/uninit_*.zc, tests/conformance/4-statements/uninit_*.zc --- src/compiler/ops.zc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/compiler/ops.zc') diff --git a/src/compiler/ops.zc b/src/compiler/ops.zc index a396f72..0129e75 100644 --- a/src/compiler/ops.zc +++ b/src/compiler/ops.zc @@ -141,7 +141,7 @@ int add_method(char* member, char* function_name) { return s; } int receiver_method(word receiver_type, int member) { - word link = receiver_methods, ft, actual; word[8] bs; int found = -1, s; + word link = receiver_methods, ft, actual; word[8] bs = {}; int found = -1, s; while (link) { s = link[2]; if (s < nsym && link[1] == member) { -- cgit v1.2.3