Port to x86 GCC 4.3.1 and earlier

This tries to port to x86 FreeBSD 9, where Emacs dumps core (Bug#22065).
* src/lisp.h (USE_STACK_LISP_OBJECTS): Default to false
for GCC 4.3.1 and earlier.

diff --git a/src/lisp.h b/src/lisp.h
index af73c4b15ce808726af5ff3bcf147974a39aab8c..8eb18e11870541010244ad4b65db984ebb24283f 100644 (file)
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -4522,6 +4522,11 @@ extern void *record_xmalloc (size_t) ATTRIBUTE_ALLOC_SIZE ((1));
    This feature is experimental and requires careful debugging.
    Build with CPPFLAGS='-DUSE_STACK_LISP_OBJECTS=0' to disable it.  */
 
+#if (!defined USE_STACK_LISP_OBJECTS && defined __GNUC__ \
+     && !(4 < __GNUC__ + (3 < __GNUC_MINOR__ + (2 <= __GNUC_PATCHLEVEL__))))
+  /* Work around GCC bugs 36584 and 35271, which were fixed in GCC 4.3.2.  */
+# define USE_STACK_LISP_OBJECTS false
+#endif
 #ifndef USE_STACK_LISP_OBJECTS
 # define USE_STACK_LISP_OBJECTS true
 #endif