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roc/test/fx
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Richard Feldman 79a08d5d0f
Fix List.get with method syntax causing cycle in layout computation 
When calling List.get with method syntax (my_list.get(0)), the
interpreter was causing a cycle in layout computation because rigid
type variables weren't being properly resolved.

The fix unifies the method's first parameter type with a copy of the
receiver type before instantiation. This properly resolves rigid type
variables (like `item` in List.get) to concrete types. A copy of the
receiver type is created before unification to avoid corrupting the
original type, since unification modifies both sides.

This is the same approach used for no-args method dispatch (like
List.first), but with the additional copy step needed because the
multi-args path may reuse types across multiple method invocations.

Fixes #8662

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-13 15:43:09 -05:00
..
platform fix segfaults - list_concat double decref and findCapturedValue memory leak 2025-12-09 18:21:24 +11:00
subdir Fix relative paths to platforms 2025-11-26 16:28:08 -05:00
all_syntax_test.roc All roc syntax test (#8622) 2025-12-12 18:07:03 +01:00
aoc_day2.roc Fix tests 2025-12-11 11:49:45 -05:00
app.roc More platform fixes 2025-11-25 18:38:57 -05:00
big_string_equality.roc Add regression tests 2025-12-01 17:06:09 -05:00
dbg_missing_return.roc Fix more dbg issues 2025-11-26 10:02:04 -05:00
division_by_zero.roc Add div by 0 checks 2025-12-06 13:07:52 -05:00
drop_prefix_match_uaf.roc Fix drop_prefix 2025-12-01 14:15:55 -05:00
drop_prefix_segfault.roc Fix drop_prefix 2025-12-01 14:15:55 -05:00
empty_list_get.roc Update tests 2025-11-28 20:24:24 -05:00
expect_with_literal.roc Fix numeral bug 2025-11-24 20:21:04 -05:00
expect_with_main.roc Fix numeral bug 2025-11-24 20:21:04 -05:00
expect_with_toplevel_numeric.roc Add missing fx tests (#8556) 2025-12-03 18:00:32 +01:00
fold_rev_static_dispatch.roc Fix fold_rev static dispatch bug 2025-12-10 12:58:45 -05:00
function_wrapper_multiline.roc Add missing fx tests (#8556) 2025-12-03 18:00:32 +01:00
function_wrapper_stdout.roc Add missing fx tests (#8556) 2025-12-03 18:00:32 +01:00
hello_world.roc Add missing fx tests (#8556) 2025-12-03 18:00:32 +01:00
if-closure-capture.roc Add test/fx file 2025-12-04 18:42:20 +01:00
index_oob_instantiate.roc Reproduce index out of bounds crash 2025-12-09 22:26:11 -05:00
inline_expect_pass.roc Fix #8517 (#8613) 2025-12-12 11:30:33 +01:00
inspect_compare_test.roc Rename Str.inspekt to Str.inspect 2025-12-09 20:03:58 -05:00
inspect_custom_test.roc Rename Str.inspekt to Str.inspect 2025-12-09 20:03:58 -05:00
inspect_nested_test.roc Rename Str.inspekt to Str.inspect 2025-12-09 20:03:58 -05:00
inspect_no_method_test.roc Rename Str.inspekt to Str.inspect 2025-12-09 20:03:58 -05:00
inspect_open_tag_test.roc Rename Str.inspekt to Str.inspect 2025-12-09 20:03:58 -05:00
inspect_record_test.roc Rename Str.inspekt to Str.inspect 2025-12-09 20:03:58 -05:00
inspect_wrong_sig_test.roc Rename Str.inspekt to Str.inspect 2025-12-09 20:03:58 -05:00
issue8433.roc Add missing fx tests (#8556) 2025-12-03 18:00:32 +01:00
issue8517.roc Fix #8517 (#8613) 2025-12-12 11:30:33 +01:00
list_append_stdin_uaf.roc Merge origin/main into fix-another-aoc 2025-12-11 23:18:39 -05:00
list_first_function.roc Merge origin/main into fix-another-aoc 2025-12-11 23:18:39 -05:00
list_first_method.roc Merge origin/main into fix-another-aoc 2025-12-11 23:18:39 -05:00
list_for_each.roc Add List.for_each! 2025-12-01 11:25:47 -05:00
list_map_fallible.roc Fix tag union handling 2025-12-11 11:46:15 -05:00
list_method_get.roc Fix List.get with method syntax causing cycle in layout computation 2025-12-13 15:43:09 -05:00
match_str_return.roc More platform fixes 2025-11-25 18:38:57 -05:00
match_with_wildcard.roc Add missing test 2025-11-25 10:20:00 -05:00
multiline_split_leak.roc add test for fx split leak 2025-12-02 07:16:29 +11:00
multiline_stdout.roc Add missing fx tests (#8556) 2025-12-03 18:00:32 +01:00
num_method_call.roc String interpolation now requires Str 2025-11-26 22:20:16 -05:00
numeric_fold.roc add TODO for test failure - type not propogating 2025-11-30 14:07:17 +11:00
numeric_lookup_test.roc Add some more tests 2025-11-26 13:27:53 -05:00
opaque_with_method.roc Fix a segfault 2025-11-26 13:14:52 -05:00
parse_error.roc check for parse/token errors and print them on run (#8586) 2025-12-08 21:10:16 +01:00
question_mark_operator.roc Implement ? (question mark) operator for error propagation 2025-11-29 20:06:33 -05:00
recursive_tuple_list.roc Fix tag union handling 2025-12-11 11:46:15 -05:00
repeating_pattern_segfault.roc Treat work stack overflow as normal stack overflow 2025-12-08 09:23:41 -05:00
run_allow_errors.roc --allow-errors flag (#8557) 2025-12-03 19:41:10 +01:00
run_warning_only.roc --allow-errors flag (#8557) 2025-12-03 19:41:10 +01:00
stack_overflow_runtime.roc Test for stack overflows in roc programs 2025-12-06 13:07:52 -05:00
stdin_echo.roc More platform fixes 2025-11-25 18:38:57 -05:00
stdin_simple.roc More platform fixes 2025-11-25 18:38:57 -05:00
stdin_test.roc wasm fixes etc. 2025-12-04 17:24:08 -05:00
stdin_to_stdout.roc More platform fixes 2025-11-25 18:38:57 -05:00
stdin_while_uaf.roc Fix double-decref bug in binop_apply and unary_op_apply 2025-12-12 09:01:54 -05:00
str_interp_valid.roc String interpolation now requires Str 2025-11-26 22:20:16 -05:00
string_lookup_test.roc Add some more tests 2025-11-26 13:27:53 -05:00
string_pattern_matching.roc Implement ? (question mark) operator for error propagation 2025-11-29 20:06:33 -05:00
sublist_method_segfault.roc Fix env bug 2025-12-06 08:03:57 -05:00
test7.roc Add some more tests 2025-11-26 13:27:53 -05:00
test8.roc Add some more tests 2025-11-26 13:27:53 -05:00
test9.roc Add some more tests 2025-11-26 13:27:53 -05:00
test_direct_string.roc Restore some deleted tests 2025-12-06 00:30:45 -05:00
test_method_inspect.roc Rename Str.inspekt to Str.inspect 2025-12-09 20:03:58 -05:00
test_one_call.roc Restore some deleted tests 2025-12-06 00:30:45 -05:00
test_type_mismatch.roc Restore some deleted tests 2025-12-06 00:30:45 -05:00
test_with_wrapper.roc Restore some deleted tests 2025-12-06 00:30:45 -05:00
unify_scratch_fresh_vars_rank_bug.roc Fix rank unification bug 2025-12-10 20:13:20 -05:00
unused_state_var.roc Reproduce extraneous errors 2025-11-26 00:43:11 -05:00
var_interp_segfault.roc Fix a stack overflow 2025-12-05 19:16:27 -05:00