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12 lines
368 B
12 lines
368 B
3 years ago
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--- lua-5.3.4/src/lapi.c.orig 2019-06-03 17:29:46.376205064 +0200
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+++ lua-5.3.4/src/lapi.c 2019-06-03 17:31:08.869905663 +0200
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@@ -1289,6 +1289,8 @@
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LClosure *f1;
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UpVal **up1 = getupvalref(L, fidx1, n1, &f1);
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UpVal **up2 = getupvalref(L, fidx2, n2, NULL);
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+ if (*up1 == *up2)
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+ return;
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luaC_upvdeccount(L, *up1);
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*up1 = *up2;
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(*up1)->refcount++;
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