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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