Nov 13, 2023 · Oct 31, 2023 · Nov 1, 2023
diff --git a/cores/arduino/mbed/platform/include/platform/Callback.h b/cores/arduino/mbed/platform/include/platform/Callback.h
 #include <mstd_type_traits>
 #include <mstd_functional>

 #pragma GCC push_options
 // This prevents the GCC compiler from applying optimizations that assume the code follows strict aliasing rules.
 // In order to prevent bugs arising from undefined behavior that is tricky to find in the Callback implementation,
 // or simply from compiler bugs in GCC.
 #pragma GCC optimize("-fno-strict-aliasing")
 // This prevents the GCC compiler from generating incorrect inline code for the Callback constructor.
 #pragma GCC optimize("-fno-inline")

 // Controlling switches from config:
 // MBED_CONF_PLATFORM_CALLBACK_NONTRIVIAL - support storing non-trivial function objects
 // MBED_CONF_PLATFORM_CALLBACK_COMPARABLE - support memcmp comparing stored objects (requires zero padding)
 #define MBED_CONF_PLATFORM_CALLBACK_NONTRIVIAL 1
 #endif


 namespace mbed {
 /** \addtogroup platform-public-api */
 /** @{*/

 } // namespace mbed

 #pragma GCC pop_options

 #endif
Original file line number	Diff line number	Diff line change
Expand Up		@@ -26,6 +26,14 @@
		#include <mstd_type_traits>
		#include <mstd_functional>

		#pragma GCC push_options
		// This prevents the GCC compiler from applying optimizations that assume the code follows strict aliasing rules.
		// In order to prevent bugs arising from undefined behavior that is tricky to find in the Callback implementation,
		// or simply from compiler bugs in GCC.
		#pragma GCC optimize("-fno-strict-aliasing")
		// This prevents the GCC compiler from generating incorrect inline code for the Callback constructor.
		#pragma GCC optimize("-fno-inline")

		// Controlling switches from config:
		// MBED_CONF_PLATFORM_CALLBACK_NONTRIVIAL - support storing non-trivial function objects
		// MBED_CONF_PLATFORM_CALLBACK_COMPARABLE - support memcmp comparing stored objects (requires zero padding)
Expand All		@@ -36,7 +44,6 @@
		#define MBED_CONF_PLATFORM_CALLBACK_NONTRIVIAL 1
		#endif


		namespace mbed {
		/** \addtogroup platform-public-api */
		/** @{*/
Expand DownExpand Up		@@ -835,4 +842,6 @@ Callback(R(func)(const volatile T , ArgTs...), const volatile U *arg) -> Callb

		} // namespace mbed

		#pragma GCC pop_options

		#endif