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authorBram Moolenaar <Bram@vim.org>2021-01-03 13:09:51 +0100
committerBram Moolenaar <Bram@vim.org>2021-01-03 13:09:51 +0100
commite68b02a1c40388bbb85e7b825bc538298963e1e1 (patch)
tree48159cea5923224348fb9631538864623b83a317
parent339c1bdbdfb823c4ea36242f0a4f083cbc010b84 (diff)
downloadvim-git-e68b02a1c40388bbb85e7b825bc538298963e1e1.tar.gz
patch 8.2.2283: Vim9: crash when lambda has fewer arguments than expectedv8.2.2283
Problem: Vim9: crash when lambda has fewer arguments than expected. Solution: Don't check arguments when already failed. (closes #7606)
-rw-r--r--src/testdir/test_vim9_func.vim12
-rw-r--r--src/version.c2
-rw-r--r--src/vim9type.c5
3 files changed, 17 insertions, 2 deletions
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 20ad3ba8e..251790bc5 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -554,6 +554,18 @@ def Test_call_lambda_args()
echo Ref(1, 'x')
END
CheckDefFailure(lines, 'E1013: Argument 2: type mismatch, expected number but got string')
+
+ lines =<< trim END
+ var Ref: func(job, string, number)
+ Ref = (x, y) => 0
+ END
+ CheckDefAndScriptFailure(lines, 'E1012:')
+
+ lines =<< trim END
+ var Ref: func(job, string)
+ Ref = (x, y, z) => 0
+ END
+ CheckDefAndScriptFailure(lines, 'E1012:')
enddef
def Test_lambda_uses_assigned_var()
diff --git a/src/version.c b/src/version.c
index ed0b10236..30eac83f8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 2283,
+/**/
2282,
/**/
2281,
diff --git a/src/vim9type.c b/src/vim9type.c
index d2dbc768c..2344874a3 100644
--- a/src/vim9type.c
+++ b/src/vim9type.c
@@ -490,8 +490,9 @@ check_type(type_T *expected, type_T *actual, int give_msg, int argidx)
&& actual->tt_argcount != -1
&& (actual->tt_argcount < expected->tt_min_argcount
|| actual->tt_argcount > expected->tt_argcount))
- ret = FAIL;
- if (expected->tt_args != NULL && actual->tt_args != NULL)
+ ret = FAIL;
+ if (ret == OK && expected->tt_args != NULL
+ && actual->tt_args != NULL)
{
int i;