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patch 8.2.1443: Vim9: crash when interrupting a nested :def function

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Problem:    Vim9: crash when interrupting a nested :def function.
Solution:   Push a dummy return value onto the stack. (closes #6701)
This commit is contained in:
Bram Moolenaar
2020-08-13 21:40:18 +02:00
parent be7529e889
commit cdd70f09a5
2 changed files with 11 additions and 8 deletions
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17
src/vim9execute.c
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@@ -915,16 +915,17 @@ call_def_function(
}
else
{
// not inside try or need to return from current functions.
// Not inside try or need to return from current functions.
// Push a dummy return value.
if (GA_GROW(&ectx.ec_stack, 1) == FAIL)
goto failed;
tv = STACK_TV_BOT(0);
tv->v_type = VAR_NUMBER;
tv->vval.v_number = 0;
++ectx.ec_stack.ga_len;
if (ectx.ec_frame_idx == initial_frame_idx)
{
// At the toplevel we are done. Push a dummy return value.
if (GA_GROW(&ectx.ec_stack, 1) == FAIL)
goto failed;
tv = STACK_TV_BOT(0);
tv->v_type = VAR_NUMBER;
tv->vval.v_number = 0;
++ectx.ec_stack.ga_len;
// At the toplevel we are done.
need_rethrow = TRUE;
if (handle_closure_in_use(&ectx, FALSE) == FAIL)
goto failed;