Comments (10)
A proposed fix patch is just sent to @agentzh, since I will going to travel this Wed morning. I wonder if @agentzh can take over this bug in case this is urgent.
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minimal reproduction code:
echo "require'ffi'.cdef[[ #pragma pack(push, 1)]]" | src/luajit -
src/luajit: stdin:1: unexpected symbol near 'pragma'
stack traceback:
[C]: in function 'cdef'
stdin:1: in main chunk
[C]: at 0x00405060
compiler flag:
-msse4.2
- reproduced
-msse4.1
- not reproduced
-msse4
- reproduced
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@alonbg Have you tried out the latest v2.1
branch of the official luajit git repository? I'm pretty sure we never touched that part of luajit in our branch.
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Hi @agentzh , yes I tried the latest v2.1 with the -msse4.2 flag - doesn't reproduce.
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@alonbg Thanks for the report! I can reproduce it on my side.
@yangshuxin Will you please take a look at this? It seems that it is triggered by our lj_str_new
optimizations. Thanks!
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Turn out the string hash is hard-coded in parser.
1763 static void cp_decl_multi(CPState *cp)
1764 {
...
1779 } else if (tok == CTOK_IDENT &&
1780 cp->str->hash == H_(187aab88,fcb60b42)) { /* line */
...
1791 }
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I'm returning back, will make a PR ASAP.
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@alonbg Will you try @yangshuxin's LuaJIT patch in #11 on your side? Thanks!
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@agentzh - yes. I'll update ..
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@alonbg I believe this is already fixed in the latest v2.1-agentzh branch. I'm closing this.
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