Bug: Wrong line in error message for arith. errors
It also causes 'L->top' to be wrong when the error happens,
triggering an 'assert'.
diff --git a/lvm.c b/lvm.c
index 2e84dc6..8493a77 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1410,6 +1410,7 @@
vmbreak;
}
vmcase(OP_MODK) {
+ savestate(L, ci); /* in case of division by 0 */
op_arithK(L, luaV_mod, luaV_modf);
vmbreak;
}
@@ -1422,6 +1423,7 @@
vmbreak;
}
vmcase(OP_IDIVK) {
+ savestate(L, ci); /* in case of division by 0 */
op_arithK(L, luaV_idiv, luai_numidiv);
vmbreak;
}
@@ -1470,6 +1472,7 @@
vmbreak;
}
vmcase(OP_MOD) {
+ savestate(L, ci); /* in case of division by 0 */
op_arith(L, luaV_mod, luaV_modf);
vmbreak;
}
@@ -1482,6 +1485,7 @@
vmbreak;
}
vmcase(OP_IDIV) { /* floor division */
+ savestate(L, ci); /* in case of division by 0 */
op_arith(L, luaV_idiv, luai_numidiv);
vmbreak;
}
diff --git a/testes/errors.lua b/testes/errors.lua
index cf0ab52..bf6f389 100644
--- a/testes/errors.lua
+++ b/testes/errors.lua
@@ -444,6 +444,14 @@
end
end]], 5)
+
+-- bug in 5.4.0
+lineerror([[
+ local a = 0
+ local b = 1
+ local c = b % a
+]], 3)
+
do
-- Force a negative estimate for base line. Error in instruction 2
-- (after VARARGPREP, GETGLOBAL), with first absolute line information
