From 98bf90ef5ea3dd848ce7d81a662eb7499d11c91c Mon Sep 17 00:00:00 2001
From: Calixte Denizet <calixte.denizet@gmail.com>
Date: Fri, 16 Apr 2021 10:05:34 +0200
Subject: [PATCH] [Gcov] Don't run global destructor in ccov builds when env
 MOZ_FUZZING_CCOV is existing

---
 compiler-rt/lib/profile/GCDAProfiling.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler-rt/lib/profile/GCDAProfiling.c b/compiler-rt/lib/profile/GCDAProfiling.c
index 4293e8f7b5bf..6cda4bc7601f 100644
--- a/compiler-rt/lib/profile/GCDAProfiling.c
+++ b/compiler-rt/lib/profile/GCDAProfiling.c
@@ -586,6 +586,9 @@ void llvm_writeout_files(void) {
 __attribute__((destructor(100)))
 #endif
 static void llvm_writeout_and_clear(void) {
+  if (getenv("MOZ_FUZZING_CCOV")) {
+    return;
+  }
   llvm_writeout_files();
   fn_list_remove(&writeout_fn_list);
 }
-- 
2.30.2