diff options
author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2016-07-19 14:12:07 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2016-07-19 14:12:07 -0300 |
commit | fc6b32bcaaf486beeffd35af44932a53f44d1c65 (patch) | |
tree | 170fba188c75ebbda8eb5458755222592de68a42 /bugs | |
parent | de96e26afc690957a1b14380ea589c10b9b9e162 (diff) | |
download | lua-github-fc6b32bcaaf486beeffd35af44932a53f44d1c65.tar.gz |
bug: Lua can generate wrong code in functions with too many constants
Diffstat (limited to 'bugs')
-rw-r--r-- | bugs | 28 |
1 files changed, 26 insertions, 2 deletions
@@ -3652,9 +3652,9 @@ It needs an "interceptor" 'memcmp' function that continues reading memory after a difference is found.]], patch = [[ 2c2 -< ** $Id: loslib.c,v 1.64 2016/04/18 13:06:55 roberto Exp roberto $ +< ** $Id: bugs,v 1.149 2016/07/15 17:24:09 roberto Exp roberto $ --- -> ** $Id: loslib.c,v 1.64 2016/04/18 13:06:55 roberto Exp $ +> ** $Id: bugs,v 1.149 2016/07/15 17:24:09 roberto Exp roberto $ 263c263,264 < for (option = LUA_STRFTIMEOPTIONS; *option != '\0'; option += oplen) { --- @@ -3664,6 +3664,30 @@ patch = [[ } +Bug{ +what = [[Lua can generate wrong code in functions with too many constants]], +report = [[Marco Schöpl, 2016/07/17]], +since = [[5.3.3]], +fix = nil, +example = [[See http://lua-users.org/lists/lua-l/2016-07/msg00303.html]], +patch = [[ +--- lcode.c 2016/06/20 19:12:46 2.110 ++++ lcode.c 2016/07/18 15:43:41 +@@ -1018,8 +1018,8 @@ + */ + static void codebinexpval (FuncState *fs, OpCode op, + expdesc *e1, expdesc *e2, int line) { +- int rk1 = luaK_exp2RK(fs, e1); /* both operands are "RK" */ +- int rk2 = luaK_exp2RK(fs, e2); ++ int rk2 = luaK_exp2RK(fs, e2); /* both operands are "RK" */ ++ int rk1 = luaK_exp2RK(fs, e1); + freeexps(fs, e1, e2); + e1->u.info = luaK_codeABC(fs, op, 0, rk1, rk2); /* generate opcode */ + e1->k = VRELOCABLE; /* all those operations are relocatable */ +]] +} + + --[=[ Bug{ what = [[ ]], |