diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Sema.zig | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/Sema.zig b/src/Sema.zig index 8744548892..17a7a8eb1c 100644 --- a/src/Sema.zig +++ b/src/Sema.zig @@ -21945,7 +21945,21 @@ fn semaStructFields( } const gop = struct_obj.fields.getOrPutAssumeCapacity(field_name); - assert(!gop.found_existing); + if (gop.found_existing) { + const msg = msg: { + const tree = try sema.getAstTree(&block_scope); + const field_src = enumFieldSrcLoc(decl, tree.*, struct_obj.node_offset, field_i); + const msg = try sema.errMsg(&block_scope, field_src, "duplicate struct field: '{s}'", .{field_name}); + errdefer msg.destroy(gpa); + + const prev_field_index = struct_obj.fields.getIndex(field_name).?; + const prev_field_src = enumFieldSrcLoc(decl, tree.*, struct_obj.node_offset, prev_field_index); + try sema.mod.errNoteNonLazy(prev_field_src.toSrcLoc(decl), msg, "other field here", .{}); + try sema.errNote(&block_scope, src, msg, "struct declared here", .{}); + break :msg msg; + }; + return sema.failWithOwnedErrorMsg(&block_scope, msg); + } gop.value_ptr.* = .{ .ty = try field_ty.copy(decl_arena_allocator), .abi_align = 0, |