fix(runtime-core): behavior of merging options is inconsistent with Vue2.x#1986

Merged

yyx990803 merged 1 commit intovuejs:masterfrom unbyte:fix-option-inheritance

Sep 1, 2020

+51-4

Commits on Aug 27, 2020

fix(runtime-core): behavior of merging options is inconsistent with Vue 2.x
unbyte
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