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authorAndy Wingo <wingo@pobox.com>2011-02-10 10:40:57 +0100
committerAndy Wingo <wingo@pobox.com>2011-02-10 10:40:57 +0100
commit7112a34d56ff0611220b0e9f024ad0fffbe3cdad (patch)
tree522a87bd04e712ccc97dff68bdd614e80271c6d0 /libguile/eval.c
parentcd4f274c622511ac9b45cd16d6e6a542bd07464c (diff)
downloadguile-7112a34d56ff0611220b0e9f024ad0fffbe3cdad.tar.gz
volatile locals in bootstrap evaluator
* libguile/eval.c (eval): For SCM_M_PROMPT, mark the locals needed after a longjmp as volatile. Perhaps related to bug 32340.
Diffstat (limited to 'libguile/eval.c')
-rw-r--r--libguile/eval.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libguile/eval.c b/libguile/eval.c
index 785217825..6f2020ebc 100644
--- a/libguile/eval.c
+++ b/libguile/eval.c
@@ -408,7 +408,10 @@ eval (SCM x, SCM env)
case SCM_M_PROMPT:
{
- SCM vm, prompt, handler, res;
+ SCM vm, res;
+ /* We need the prompt and handler values after a longjmp case,
+ so make sure they are volatile. */
+ volatile SCM handler, prompt;
vm = scm_the_vm ();
prompt = scm_c_make_prompt (eval (CAR (mx), env), SCM_VM_DATA (vm)->fp,