From 81bbefe9b837dc439a68458ca91d522c1c49b96b Mon Sep 17 00:00:00 2001
From: emma <39064859+ieeemma@users.noreply.github.com>
Date: Thu, 7 Jul 2022 19:38:32 +0100
Subject: AstGen: fix catch payoad not checking for shadowing

---
 src/AstGen.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/AstGen.zig')

diff --git a/src/AstGen.zig b/src/AstGen.zig
index a0ff7a0e6e..bd72e2d1cc 100644
--- a/src/AstGen.zig
+++ b/src/AstGen.zig
@@ -4997,10 +4997,14 @@ fn orelseCatchExpr(
     var err_val_scope: Scope.LocalVal = undefined;
     const else_sub_scope = blk: {
         const payload = payload_token orelse break :blk &else_scope.base;
-        if (mem.eql(u8, tree.tokenSlice(payload), "_")) {
+        const err_str = tree.tokenSlice(payload);
+        if (mem.eql(u8, err_str, "_")) {
             return astgen.failTok(payload, "discard of error capture; omit it instead", .{});
         }
         const err_name = try astgen.identAsString(payload);
+
+        try astgen.detectLocalShadowing(scope, err_name, payload, err_str);
+
         err_val_scope = .{
             .parent = &else_scope.base,
             .gen_zir = &else_scope,
-- 
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