support nested VM barrier synchronization #13507
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on `RGENGC_CHECK_MODE > 1`, there are the following steps 1. gc_enter 2. vm_barrier 3. verify_internal_consistency 4. vm_barrier and it causes nested vm_barrier synchronization. This patch allows such cases.
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on
RGENGC_CHECK_MODE > 1, there are the following stepsand it causes nested vm_barrier synchronization.
This patch allows such cases.