patch 9.0.0213: using freed memory with error in assert argument
Problem: Using freed memory with error in assert argument.
Solution: Make a copy of the error.
diff --git a/src/testdir/test_assert.vim b/src/testdir/test_assert.vim
index 27b2d73..7c9d090 100644
--- a/src/testdir/test_assert.vim
+++ b/src/testdir/test_assert.vim
@@ -291,6 +291,10 @@
let exp = v:exception
endtry
call assert_match("E1174: String required for argument 5", exp)
+
+ call assert_equal(1, assert_fails('c0', ['', '\1']))
+ call assert_match("Expected '\\\\\\\\1' but got 'E939: Positive count required: c0': c0", v:errors[0])
+ call remove(v:errors, 0)
endfunc
func Test_assert_fails_in_try_block()