diff options
| -rw-r--r-- | src/AstGen.zig | 3 | ||||
| -rw-r--r-- | test/cases.zig | 27 |
2 files changed, 30 insertions, 0 deletions
diff --git a/src/AstGen.zig b/src/AstGen.zig index e30f3a272c..019e73c983 100644 --- a/src/AstGen.zig +++ b/src/AstGen.zig @@ -5008,6 +5008,7 @@ fn ifExpr( const token_name_str = tree.tokenSlice(token_name_index); if (mem.eql(u8, "_", token_name_str)) break :s &then_scope.base; + try astgen.detectLocalShadowing(&then_scope.base, ident_name, token_name_index); payload_val_scope = .{ .parent = &then_scope.base, .gen_zir = &then_scope, @@ -5030,6 +5031,7 @@ fn ifExpr( break :s &then_scope.base; const payload_inst = try then_scope.addUnNode(tag, cond.inst, node); const ident_name = try astgen.identAsString(ident_token); + try astgen.detectLocalShadowing(&then_scope.base, ident_name, ident_token); payload_val_scope = .{ .parent = &then_scope.base, .gen_zir = &then_scope, @@ -5071,6 +5073,7 @@ fn ifExpr( const error_token_str = tree.tokenSlice(error_token); if (mem.eql(u8, "_", error_token_str)) break :s &else_scope.base; + try astgen.detectLocalShadowing(&else_scope.base, ident_name, error_token); payload_val_scope = .{ .parent = &else_scope.base, .gen_zir = &else_scope, diff --git a/test/cases.zig b/test/cases.zig index f5eb566816..f235992f71 100644 --- a/test/cases.zig +++ b/test/cases.zig @@ -1108,6 +1108,33 @@ pub fn addCases(ctx: *TestContext) !void { ":5:13: error: redeclaration of local variable 'i'", ":2:9: note: previous declaration here", }); + case.addError( + \\pub fn main() void { + \\ var i = 0; + \\ if (true) |i| {} + \\} + , &[_][]const u8{ + ":3:16: error: redeclaration of local variable 'i'", + ":2:9: note: previous declaration here", + }); + case.addError( + \\pub fn main() void { + \\ var i = 0; + \\ if (true) |i| {} else |e| {} + \\} + , &[_][]const u8{ + ":3:16: error: redeclaration of local variable 'i'", + ":2:9: note: previous declaration here", + }); + case.addError( + \\pub fn main() void { + \\ var i = 0; + \\ if (true) |_| {} else |i| {} + \\} + , &[_][]const u8{ + ":3:28: error: redeclaration of local variable 'i'", + ":2:9: note: previous declaration here", + }); } { |