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author | Ludovic Courtès <ludo@gnu.org> | 2012-05-05 00:44:54 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2012-05-05 00:44:54 +0200 |
commit | e9c898bf24c2faf86d3d2f61361bc52ff3abc8b2 (patch) | |
tree | 4d85e98fda53eb81333b6a481e4415bfb3670e01 /libguile/vm-i-system.c | |
parent | b662b7e971423934b897f925ccc3061fc640e996 (diff) | |
download | guile-e9c898bf24c2faf86d3d2f61361bc52ff3abc8b2.tar.gz |
Correct typing of assertion in the `wind' instruction.
* libguile/vm-i-system.c (wind): Check `scm_to_bool (scm_thunk_p (x))'
instead of `scm_thunk_p'.
Diffstat (limited to 'libguile/vm-i-system.c')
-rw-r--r-- | libguile/vm-i-system.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libguile/vm-i-system.c b/libguile/vm-i-system.c index 3ac0097b4..2399fa065 100644 --- a/libguile/vm-i-system.c +++ b/libguile/vm-i-system.c @@ -1570,8 +1570,10 @@ VM_DEFINE_INSTRUCTION (86, wind, "wind", 0, 2, 0) /* Push wind and unwind procedures onto the dynamic stack. Note that neither are actually called; the compiler should emit calls to wind and unwind for the normal dynamic-wind control flow. */ - VM_ASSERT (scm_thunk_p (wind), vm_error_not_a_thunk ("dynamic-wind", wind)); - VM_ASSERT (scm_thunk_p (unwind), vm_error_not_a_thunk ("dynamic-wind", unwind)); + VM_ASSERT (scm_to_bool (scm_thunk_p (wind)), + vm_error_not_a_thunk ("dynamic-wind", wind)); + VM_ASSERT (scm_to_bool (scm_thunk_p (unwind)), + vm_error_not_a_thunk ("dynamic-wind", unwind)); scm_i_set_dynwinds (scm_cons (scm_cons (wind, unwind), scm_i_dynwinds ())); NEXT; } |