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ruby-changes:63421

From: Takashi <ko1@a...>
Date: Fri, 23 Oct 2020 13:59:34 +0900 (JST)
Subject: [ruby-changes:63421] 40bad72f31 (master): Assert in_gc >= 0 instead of guarding it (#3687)

https://git.ruby-lang.org/ruby.git/commit/?id=40bad72f31

From 40bad72f31248c48048249b1d7536e87b4994664 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@g...>
Date: Thu, 22 Oct 2020 21:59:13 -0700
Subject: Assert in_gc >= 0 instead of guarding it (#3687)


diff --git a/mjit.c b/mjit.c
index ab74a06..c3e2a5d 100644
--- a/mjit.c
+++ b/mjit.c
@@ -109,9 +109,7 @@ mjit_gc_exit_hook(void) https://github.com/ruby/ruby/blob/trunk/mjit.c#L109
         return;
     CRITICAL_SECTION_START(4, "mjit_gc_exit_hook");
     in_gc--;
-    if (in_gc < 0) { // Don't allow underflow
-        in_gc = 0;
-    }
+    RUBY_ASSERT_ALWAYS(in_gc >= 0);
     if (!in_gc) {
         verbose(4, "Sending wakeup signal to workers after GC");
         rb_native_cond_broadcast(&mjit_gc_wakeup);
-- 
cgit v0.10.2


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