lua-users home
lua-l archive

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]

On 11/12/2013 3:10 AM, Roberto Ierusalimschy wrote:
I have definitely seen the problem on 32-bit Linux as well.  So I
compile ldo.c specially in luabuild. Here is the relevant part of the

-- gcc 4.6 messes up setjmp/longjmp when optimizing
local ldo ={LDO,defines=defs,args=def,

(point being that only this file needs the flag, and it may be GCC
version specific)

I've been sticking to Lua 5.1 on MinGW32...

This seems to be a bug in the C compiler; apparently it has nothing to
do with Lua itself. Lua 5.1 should present the same problem. (Actually
the bug is not in the compiler itself, but in the implementation of

I just missed out, my installed MinGW compilers went from gcc 4.5.2 to gcc 4.7.1.

Patched I think by Kai Tietz [1]. Omitting the frame pointer caused a random value to be saved for %ebp by setjmp(). Didn't see any bug reports beyond gcc 4.6.x.


Kein-Hong Man (esq.)
Kuala Lumpur, Malaysia