Remove static initializer from generic absl stack trace implementation

This is a temporary solution. pending on help from abseil team
to resolve this SI properly
As side effect it disables absl's stack traces for mac.

Bug: 1127002
Change-Id: I7be2c1d15af50ba50c7a9df2d56ae00939c4aa12
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2409693Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Danil Chapovalov <danilchap@chromium.org>
Cr-Commit-Position: refs/heads/master@{#807416}

third_party/abseil-cpp/absl/debugging/internal/stacktrace_generic-inl.inc

@@ -43,17 +43,6 @@ static __thread int recursive = 0;
 // glibc implementation itself will trigger malloc the first time it is called.
 // As such, we suppress usage of backtrace during this early stage of execution.
 static std::atomic<bool> disable_stacktraces(true);  // Disabled until healthy.
-// Waiting until static initializers run seems to be late enough.
-// This file is included into stacktrace.cc so this will only run once.
-ABSL_ATTRIBUTE_UNUSED static int stacktraces_enabler = []() {
-  void* unused_stack[1];
-  // Force the first backtrace to happen early to get the one-time shared lib
-  // loading (allocation) out of the way. After the first call it is much safer
-  // to use backtrace from a signal handler if we crash somewhere later.
-  backtrace(unused_stack, 1);
-  disable_stacktraces.store(false, std::memory_order_relaxed);
-  return 0;
-}();
 
 template <bool IS_STACK_FRAMES, bool IS_WITH_CONTEXT>
 static int UnwindImpl(void** result, int* sizes, int max_depth, int skip_count,
@@ -99,7 +88,7 @@ namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace debugging_internal {
 bool StackTraceWorksForTest() {
-  return true;
+  return false;
 }
 }  // namespace debugging_internal
 ABSL_NAMESPACE_END

third_party/abseil-cpp/patches/0003-delete-static-initializer-in-stacktrace.patch

+diff --git a/third_party/abseil-cpp/absl/debugging/internal/stacktrace_generic-inl.inc b/third_party/abseil-cpp/absl/debugging/internal/stacktrace_generic-inl.inc
+index b2792a1f3ada..b94c61233ba3 100644
+--- a/third_party/abseil-cpp/absl/debugging/internal/stacktrace_generic-inl.inc
++++ b/third_party/abseil-cpp/absl/debugging/internal/stacktrace_generic-inl.inc
+@@ -43,17 +43,6 @@ static __thread int recursive = 0;
+ // glibc implementation itself will trigger malloc the first time it is called.
+ // As such, we suppress usage of backtrace during this early stage of execution.
+ static std::atomic<bool> disable_stacktraces(true);  // Disabled until healthy.
+-// Waiting until static initializers run seems to be late enough.
+-// This file is included into stacktrace.cc so this will only run once.
+-ABSL_ATTRIBUTE_UNUSED static int stacktraces_enabler = []() {
+-  void* unused_stack[1];
+-  // Force the first backtrace to happen early to get the one-time shared lib
+-  // loading (allocation) out of the way. After the first call it is much safer
+-  // to use backtrace from a signal handler if we crash somewhere later.
+-  backtrace(unused_stack, 1);
+-  disable_stacktraces.store(false, std::memory_order_relaxed);
+-  return 0;
+-}();
+ 
+ template <bool IS_STACK_FRAMES, bool IS_WITH_CONTEXT>
+ static int UnwindImpl(void** result, int* sizes, int max_depth, int skip_count,
+@@ -99,7 +88,7 @@ namespace absl {
+ ABSL_NAMESPACE_BEGIN
+ namespace debugging_internal {
+ bool StackTraceWorksForTest() {
+-  return true;
++  return false;
+ }
+ }  // namespace debugging_internal
+ ABSL_NAMESPACE_END