Patch #813391: Reduce limits for amd64 and sparc64.

diff --git a/Modules/_sre.c b/Modules/_sre.c
index a8a97748b197372a18d4222f2c25cedc2ec5dca9..d918e77f4a8984d62ebdfdabcec2860f3691987a 100644 (file)
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -71,9 +71,14 @@ static char copyright[] =
    Win64 (MS_WIN64), Linux64 (__LP64__), Monterey (64-bit AIX) (_LP64) */
 /* FIXME: maybe the limit should be 40000 / sizeof(void*) ? */
 #define USE_RECURSION_LIMIT 7500
-#else
 
-#if defined(__GNUC__) && defined(WITH_THREAD) && defined(__FreeBSD__)
+#elif defined(__FreeBSD__)
+/* FreeBSD/amd64 and /sparc64 require even smaller limits */
+#if defined(__amd64__)
+#define USE_RECURSION_LIMIT 6000
+#elif defined(__sparc64__)
+#define USE_RECURSION_LIMIT 3000
+#elif defined(__GNUC__) && defined(WITH_THREAD)
 /* the pthreads library on FreeBSD has a fixed 1MB stack size for the
  * initial (or "primary") thread, which is insufficient for the default
  * recursion limit.  gcc 3.x at the default optimisation