From 76d1180de688192d73f52c04b99c213903557601 Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Thu, 25 Aug 2022 18:39:14 +0200
Subject: don't inherit defers into nested functions

---
 bootstrap/parse.c | 1 +
 src/parse.cff     | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/bootstrap/parse.c b/bootstrap/parse.c
index 99d317a..fd38860 100644
--- a/bootstrap/parse.c
+++ b/bootstrap/parse.c
@@ -2701,6 +2701,7 @@ parsefn(struct decl *decl, struct parser *P) {
       lexexpect(P, '{');
       env->parent = P->curenv;
 
+      WITH_TMPCHANGE(struct blockstmt *, P->curblock, NULL) // do not inherit defers
       WITH_TMPCHANGE(struct fn *, P->curfn, fn) {
          pushenv(P, env);
          putdecl(P, tok.span, &(struct decl) {
diff --git a/src/parse.cff b/src/parse.cff
index 3512c96..e1b5f58 100644
--- a/src/parse.cff
+++ b/src/parse.cff
@@ -2610,7 +2610,10 @@ fn parsefn(P *Parser, loc Loc, toplevel bool, externp bool, name *const u8) *Dec
             }
          }
          with_tmpchange(P.alloc, &Allocator { &Arena {}, &Arena:allocf }) {
+            let block = P.curblock;
+            P.curblock = #null;
             Fn.body = :Some(parseblock(P));
+            P.curblock = block;
             popenv(P);
             // ir_genfn(P.irctx, Fn);
             llvm_genfn(externp, name, Fn);
-- 
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