From b841ce1df58b0a5a274d4163dcf2e9a31d082e49 Mon Sep 17 00:00:00 2001
From: MerryMage <MerryMage@users.noreply.github.com>
Date: Tue, 16 Feb 2021 20:07:55 +0000
Subject: [PATCH] CMakeLists: Increase maximum bracket depth for Clang

See also: https://reviews.llvm.org/D86936
Bracket depth limits size of fold expression which in turn limits size of std::array initialization via CTAD
---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5e1458ce..cf67fb7f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -97,6 +97,12 @@ else()
         list(APPEND DYNARMIC_CXX_FLAGS
              -Wfatal-errors)
     endif()
+
+    if (CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
+        # Bracket depth determines maximum size of a fold expression in Clang since 9c9974c3ccb6.
+        # And this in turns limits the size of a std::array.
+        list(APPEND DYNARMIC_CXX_FLAGS -fbracket-depth=1024)
+    endif()
 endif()
 
 # Arch detection