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Bug: luaL_traceback may need more than 5 stack slots

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This commit is contained in:
Roberto Ierusalimschy
2024-06-12 16:02:01 -03:00
parent d51022bf9e
commit b529aefc53
3 changed files with 20 additions and 1 deletions
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15
testes/errors.lua
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@@ -91,7 +91,7 @@ end
if not T then
(Message or print)
('\n >>> testC not active: skipping memory message test <<<\n')
('\n >>> testC not active: skipping tests for messages in C <<<\n')
else
print "testing memory error message"
local a = {}
@@ -104,6 +104,19 @@ else
end)
T.totalmem(0)
assert(not st and msg == "not enough" .. " memory")
-- stack space for luaL_traceback (bug in 5.4.6)
local res = T.testC[[
# push 16 elements on the stack
pushnum 1; pushnum 1; pushnum 1; pushnum 1; pushnum 1;
pushnum 1; pushnum 1; pushnum 1; pushnum 1; pushnum 1;
pushnum 1; pushnum 1; pushnum 1; pushnum 1; pushnum 1;
pushnum 1;
# traceback should work with 4 remaining slots
traceback xuxu 1;
return 1
]]
assert(string.find(res, "xuxu.-main chunk"))
end