StackCounter was adding return type slots before deducting receiver slot, so code like
int b() { return this.hashCode(); } will be counted as having a max stack of 2. Avoid this problem by only calling `addStackSlot` once for each instruction. ------------- Commit messages: - 8338623: StackCounter adding extraneous slots for receiver invoke instructions Changes: https://git.openjdk.org/jdk/pull/20637/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20637&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8338623 Stats: 34 lines in 2 files changed: 29 ins; 1 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/20637.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20637/head:pull/20637 PR: https://git.openjdk.org/jdk/pull/20637