Blame SOURCES/lua-5.3.4-bug4.patch

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diff -up lua-5.3.4/src/ldebug.c.bug4 lua-5.3.4/src/ldebug.c
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--- lua-5.3.4/src/ldebug.c.bug4	2017-08-02 16:05:36.985671687 -0400
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+++ lua-5.3.4/src/ldebug.c	2017-08-02 16:05:55.257256062 -0400
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@@ -653,6 +653,7 @@ l_noret luaG_runerror (lua_State *L, con
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   CallInfo *ci = L->ci;
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   const char *msg;
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   va_list argp;
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+  luaC_checkGC(L);  /* error message uses memory */
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   va_start(argp, fmt);
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   msg = luaO_pushvfstring(L, fmt, argp);  /* format message */
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   va_end(argp);