From: Pavel Sobolev <contact@paveloom.dev>
Subject: [PATCH] Strip `-O3`.

Signed-off-by: Pavel Sobolev <contact@paveloom.dev>

--- a/Test/ClangTest/CMakeLists.txt
+++ b/Test/ClangTest/CMakeLists.txt
@@ -26,7 +26,7 @@ else()
     set(CMAKE_CXX_COMPILER ${CLANG_PLUS_PLUS})
 
     # the standard level is already at C++11, which is what we need for runtime tests
-    add_compile_options(-O3 -ftrapv)
+    add_compile_options(-ftrapv)
 
     # Note - the test matrix here is as follows:
     # int128 is available (best case)
--- a/Test/GccTest/CMakeLists.txt
+++ b/Test/GccTest/CMakeLists.txt
@@ -31,7 +31,7 @@ else()
     message(STATUS "g++ available, configuring g++ tests")
     set(CMAKE_CXX_COMPILER ${GCC_PLUS_PLUS})
     # the standard level is already at C++11, which is what we need for runtime tests
-    add_compile_options(-O3 -ftrapv)
+    add_compile_options(-ftrapv)
 
     # Note - -fsanitize=undefined isn't currently working with g++ and cmake
     # if you go build from the old makefile in Test/GccTest, it does work