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Hello, I've just ported lua to an IBM mainframe, z/OS system. All was cool until I optimized and now I am getting segmentation faults. I'm wondering if this is a build problem or a nasty bug. Find below the stack trace. The problem is due to strlen() failing due to a bad address which is 0x7fff0100. Unfortunately when I compile with debug it goes away. Traceback:
DSA Entry E Offset Statement Load Mod Program Unit Service Status
1 CEEHDSP +00004220 CEEPLPKA CEEHDSP HLE7780 Call
2 luaO_chunkid+00000058 255 lua Exception
3 luaG_runerror
+000000F0 548 lua Call
4 luaV_execute+00001238 776 lua Call
5 luaD_call +000000D8 393 lua Call
6 callTM +0000012E 94 lua Call
7 luaV_gettable
+0000011C 119 lua Call
8 luaV_execute+0000029C 575 lua Call
9 luaD_call +000001D0 391 lua Call
10 f_call +00000078 920 lua Call
11 luaD_rawrunprotected
+000000AE 132 lua Call
12 luaD_pcall +00000086 589 lua Call
13 lua_pcallk +000000DC 945 lua Call
14 handle_script
+0000019A 179 lua Call
15 pmain +00000312 469 lua Call
16 luaD_precall+00000150 317 lua Call
17 luaD_call +000001BC 391 lua Call
18 f_call +00000078 920 lua Call
19 luaD_rawrunprotected
+000000AE 132 lua Call
20 luaD_pcall +00000086 589 lua Call
21 lua_pcallk +000000DC 945 lua Call
22 main +0000018A 495 lua Call
23 EDCZMINV +000000C2 CEEEV003 Call
24 CEEBBEXT +000001C4 CEEPLPKA CEEBBEXT HLE7780 Call
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