[Emacs-diffs] emacs-25 1834ac7: Port to x86 GCC 4.3.1 and earlier

[Paul Eggert]

branch: emacs-25
commit 1834ac7d24c60ecabb4fc2469d350a03db1798ab
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>

    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.
---
 src/lisp.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/lisp.h b/src/lisp.h
index af73c4b..8eb18e1 100644
--- 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