Fix building 32bit tests on macOS (#743)

diff --git a/src/third_party/doctest.h b/src/third_party/doctest.h
index acbe6cd321afd83f6e5f197d6ae8440d5d06e3c2..b8d66feebcc1db933f48a7ea5e870c69c6eeecb4 100644 (file)
--- a/src/third_party/doctest.h
+++ b/src/third_party/doctest.h
@@ -368,7 +368,7 @@ DOCTEST_MSVC_SUPPRESS_WARNING(26812) // Prefer 'enum class' over 'enum'
 #define DOCTEST_BREAK_INTO_DEBUGGER() raise(SIGTRAP)
 #endif
 #elif defined(DOCTEST_PLATFORM_MAC)
-#if defined(__x86_64) || defined(__x86_64__) || defined(__amd64__)
+#if defined(__x86_64) || defined(__x86_64__) || defined(__amd64__) || defined(__i386)
 #define DOCTEST_BREAK_INTO_DEBUGGER() __asm__("int $3\n" : :)
 #else
 #define DOCTEST_BREAK_INTO_DEBUGGER() __asm__("brk #0");