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diff src/vim9compile.c @ 21811:3261e28c638a v8.2.1455

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patch 8.2.1455: Vim9: crash when using typecast before constant Commit: https://github.com/vim/vim/commit/d1103587cf339feb8c77d282f7f7e92b7cff5add Author: Bram Moolenaar <Bram@vim.org> Date: Fri Aug 14 22:44:25 2020 +0200 patch 8.2.1455: Vim9: crash when using typecast before constant Problem: Vim9: crash when using typecast before constant. Solution: Generate constant before checking type. Add tets.
author Bram Moolenaar <Bram@vim.org>
date Fri, 14 Aug 2020 22:45:03 +0200
parents 15ed135796fd
children 0deb6f96a5a3
line wrap: on
line diff
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3501,11 +3501,12 @@ compile_expr7t(char_u **arg, cctx_T *cct
     if (want_type != NULL)
     {
 	garray_T    *stack = &cctx->ctx_type_stack;
-	type_T	    *actual = ((type_T **)stack->ga_data)[stack->ga_len - 1];
-
+	type_T	    *actual;
+
+	generate_ppconst(cctx, ppconst);
+	actual = ((type_T **)stack->ga_data)[stack->ga_len - 1];
 	if (check_type(want_type, actual, FALSE) == FAIL)
 	{
-	    generate_ppconst(cctx, ppconst);
 	    if (need_type(actual, want_type, -1, cctx, FALSE) == FAIL)
 		return FAIL;
 	}
@@ -5016,6 +5017,7 @@ compile_assignment(char_u *arg, exarg_T 
 		goto theend;
 	    if (*skipwhite(p) != ']')
 	    {
+		// this should not happen
 		emsg(_(e_missbrac));
 		goto theend;
 	    }