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19cbe92aa9
The ruby-2.7 tags will always contain the latest patch released for that minor version. This allows us to ship patches more easily but retains backwards compatibility with existing repos asking for 2.7.2.
25 lines
544 B
Diff
25 lines
544 B
Diff
diff --git a/class.c b/class.c
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index c866d1d727..37ff3c5ade 100644
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--- a/class.c
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+++ b/class.c
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@@ -27,6 +27,7 @@
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#include "ruby/st.h"
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#include "constant.h"
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#include "vm_core.h"
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+#include "vm_debug.h"
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#include "id_table.h"
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#include <ctype.h>
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@@ -119,6 +120,12 @@ rb_class_foreach_subclass(VALUE klass, void (*f)(VALUE, VALUE), VALUE arg)
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while (cur) {
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VALUE curklass = cur->klass;
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cur = cur->next;
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+
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+ if (curklass == 0) {
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+ fprintf(stderr, "=== Detected NULL subclass:\n");
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+ dp(curklass);
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+ }
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+
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f(curklass, arg);
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}
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}
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