Bug #14214: The direction of branch instruction is broken when block argument is used.

• Status: Closed
• Assignee: -
• Target version: -
• Backport: 2.3: UNKNOWN, 2.4: UNKNOWN

[yui-knk (Kaneko Yuichiro)]

The result of this code is changed

def a(&block)
  block = 1
  p block
  p 2 if block
end

a()

ruby 2.5.0rc1 (2017-12-14 trunk 61243) [x86_64-darwin17]
1
2

ruby 2.5.0dev (2017-12-21 trunk 61384) [x86_64-darwin17]
1

[ko1 (Koichi Sasada)]

• Status changed from Open to Closed

Applied in changeset trunk|r61387.

---

revert r61371 for [Bug #14214]

Reverted patch doesn't check overwritten value.