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diff src/vim9type.c @ 26939:ae2324aca26b v8.2.3998

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patch 8.2.3998: asan error for adding zero to NULL Commit: https://github.com/vim/vim/commit/48824e952f7db8ca657fe20e66456fc19fca6815 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 4 16:05:48 2022 +0000 patch 8.2.3998: asan error for adding zero to NULL Problem: Asan error for adding zero to NULL. Solution: Do not compute pointer if there are no entries.
author Bram Moolenaar <Bram@vim.org>
date Tue, 04 Jan 2022 17:15:02 +0100
parents ccb9be1cdd71
children b049c3b63a67
line wrap: on
line diff
--- a/src/vim9type.c
+++ b/src/vim9type.c
@@ -1267,7 +1267,7 @@ get_member_type_from_stack(
 	cctx_T	    *cctx)
 {
     garray_T	*stack = &cctx->ctx_type_stack;
-    type2_T	*typep = ((type2_T *)stack->ga_data) + stack->ga_len;
+    type2_T	*typep;
     garray_T    *type_gap = cctx->ctx_type_list;
     int		i;
     type_T	*result;
@@ -1283,6 +1283,7 @@ get_member_type_from_stack(
 
     // Use the first value type for the list member type, then find the common
     // type from following items.
+    typep = ((type2_T *)stack->ga_data) + stack->ga_len;
     result = (typep -(count * skip) + skip - 1)->type_curr;
     decl_result = (typep -(count * skip) + skip - 1)->type_decl;
     for (i = 1; i < count; ++i)