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diff src/eval.c @ 28968:3043a3e2ef95 v8.2.5006

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patch 8.2.5006: asan warns for undefined behavior Commit: https://github.com/vim/vim/commit/68e64d2c1735f2a39afa8a0475ae29bedb116684 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 22 22:07:52 2022 +0100 patch 8.2.5006: asan warns for undefined behavior Problem: Asan warns for undefined behavior. Solution: Cast the shifted value to unsigned.
author Bram Moolenaar <Bram@vim.org>
date Sun, 22 May 2022 23:15:03 +0200
parents 8973f2f00872
children 45c182c4f7e9
line wrap: on
line diff
--- a/src/eval.c
+++ b/src/eval.c
@@ -3089,7 +3089,7 @@ eval5(char_u **arg, typval_T *rettv, eva
 		rettv->vval.v_number = 0;
 	    else if (type == EXPR_LSHIFT)
 		rettv->vval.v_number =
-				    rettv->vval.v_number << var2.vval.v_number;
+		      (uvarnumber_T)rettv->vval.v_number << var2.vval.v_number;
 	    else
 		rettv->vval.v_number =
 		      (uvarnumber_T)rettv->vval.v_number >> var2.vval.v_number;