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-rw-r--r--lib/stdlib/doc/src/notes.xml31
-rw-r--r--lib/stdlib/src/erl_lint.erl3
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl20
-rw-r--r--lib/stdlib/test/lists_SUITE.erl7
4 files changed, 56 insertions, 5 deletions
diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml
index d800885b16..039f087708 100644
--- a/lib/stdlib/doc/src/notes.xml
+++ b/lib/stdlib/doc/src/notes.xml
@@ -504,6 +504,21 @@
</section>
+<section><title>STDLIB 3.4.5.1</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>List subtraction (The <c>--</c> operator) will now
+ yield properly on large inputs.</p>
+ <p>
+ Own Id: OTP-15371</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>STDLIB 3.4.5</title>
<section><title>Fixed Bugs and Malfunctions</title>
@@ -1658,6 +1673,21 @@
</section>
+<section><title>STDLIB 2.8.0.1</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>List subtraction (The <c>--</c> operator) will now
+ yield properly on large inputs.</p>
+ <p>
+ Own Id: OTP-15371</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>STDLIB 2.8</title>
<section><title>Fixed Bugs and Malfunctions</title>
@@ -7827,4 +7857,3 @@
</section>
</section>
</chapter>
-
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index e9ac2fcdff..e0cd68617b 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -2262,8 +2262,7 @@ expr({'fun',Line,Body}, Vt, St) ->
{[],St};
{function,M,F,A} ->
%% New in R15.
- {Bvt, St1} = expr_list([M,F,A], Vt, St),
- {vtupdate(Bvt, Vt),St1}
+ expr_list([M,F,A], Vt, St)
end;
expr({named_fun,_,'_',Cs}, Vt, St) ->
fun_clauses(Cs, Vt, St);
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index f9ab83a120..d18c7c255c 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -67,7 +67,8 @@
record_errors/1, otp_11879_cont/1,
non_latin1_module/1, otp_14323/1,
stacktrace_syntax/1,
- otp_14285/1, otp_14378/1]).
+ otp_14285/1, otp_14378/1,
+ external_funs/1]).
suite() ->
[{ct_hooks,[ts_install_cth]},
@@ -88,7 +89,7 @@ all() ->
maps, maps_type, maps_parallel_match,
otp_11851, otp_11879, otp_13230,
record_errors, otp_11879_cont, non_latin1_module, otp_14323,
- stacktrace_syntax, otp_14285, otp_14378].
+ stacktrace_syntax, otp_14285, otp_14378, external_funs].
groups() ->
[{unused_vars_warn, [],
@@ -4134,6 +4135,21 @@ otp_14285(Config) ->
run(Config, Ts),
ok.
+external_funs(Config) when is_list(Config) ->
+ Ts = [{external_funs_1,
+ %% ERL-762: Unused variable warning not being emitted.
+ <<"f() ->
+ BugVar = process_info(self()),
+ if true -> fun m:f/1 end.
+ f(M, F) ->
+ BugVar = process_info(self()),
+ if true -> fun M:F/1 end.">>,
+ [],
+ {warnings,[{2,erl_lint,{unused_var,'BugVar'}},
+ {5,erl_lint,{unused_var,'BugVar'}}]}}],
+ run(Config, Ts),
+ ok.
+
format_error(E) ->
lists:flatten(erl_lint:format_error(E)).
diff --git a/lib/stdlib/test/lists_SUITE.erl b/lib/stdlib/test/lists_SUITE.erl
index 9a94bcc012..984b51e7ae 100644
--- a/lib/stdlib/test/lists_SUITE.erl
+++ b/lib/stdlib/test/lists_SUITE.erl
@@ -2604,6 +2604,13 @@ subtract(Config) when is_list(Config) ->
%% certain thresholds, and we need proper coverage for all corner cases.
[sub_thresholds(N) || N <- lists:seq(0, 32)],
+ %% Trapping, both crashing and otherwise.
+ [sub_trapping(N) || N <- lists:seq(0, 18)],
+
+ %% The current implementation chooses which algorithm to use based on
+ %% certain thresholds, and we need proper coverage for all corner cases.
+ [sub_thresholds(N) || N <- lists:seq(0, 32)],
+
ok.
sub_non_matching(A, B) ->