Files
mercury/tests/valid/exists_dummy.m
Zoltan Somogyi fdd141bf77 Clean up the tests in the other test directories.
tests/invalid/*.{m,err_exp}:
tests/misc_tests/*.m:
tests/mmc_make/*.m:
tests/par_conj/*.m:
tests/purity/*.m:
tests/stm/*.m:
tests/string_format/*.m:
tests/structure_reuse/*.m:
tests/submodules/*.m:
tests/tabling/*.m:
tests/term/*.m:
tests/trailing/*.m:
tests/typeclasses/*.m:
tests/valid/*.m:
tests/warnings/*.{m,exp}:
    Make these tests use four-space indentation, and ensure that
    each module is imported on its own line. (I intend to use the latter
    to figure out which subdirectories' tests can be executed in parallel.)

    These changes usually move code to different lines. For the tests
    that check compiler error messages, expect the new line numbers.

browser/cterm.m:
browser/tree234_cc.m:
    Import only one module per line.

tests/hard_coded/boyer.m:
    Fix something I missed.
2015-02-16 12:32:18 +11:00

43 lines
1.3 KiB
Mathematica

%---------------------------------------------------------------------------%
% vim: ts=4 sw=4 et ft=mercury
%---------------------------------------------------------------------------%
%
% Test for Bug #309, existentially quantifying a dummy variable such as
% store(S) can cause the compiler to crash if the variable's register is
% clubbered and the value needs to be retrived from the stack.
% $ mmc -C environment.m
% Making Mercury/int3s/environment.int3
% Making Mercury/ints/environment.int
% Making Mercury/cs/environment.c
% Uncaught Mercury exception:
% Software Error: ll_backend.llds_out.llds_out_data:
% predicate `ll_backend.llds_out.llds_out_data.output_lval'/4:
% Unexpected: stack var out of range
:- module exists_dummy.
:- interface.
:- import_module map.
:- import_module store.
:- import_module string.
:- type lisp_val
---> lisp_val.
:- type mappings(S) == generic_mutvar(map(string, lisp_val), S).
:- type environment(S)
---> root_environment(mappings(S))
; child_environment(environment(S), mappings(S)).
:- some[S] pred root_env(environment(S)::out, S::uo) is det => store(S).
:- implementation.
root_env(Environment, Store) :-
store.init(Store0),
store.new_mutvar(map.init, Mappings, Store0, Store),
Environment = root_environment(Mappings).