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@@ -1,64 +0,0 @@
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-libguile/vm-i-system.c: workaround ice ssa corruption while compiling with option -g -O
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-
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-While compiling with option -g -O, there was a ssa corruption:
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-..
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-Unable to coalesce ssa_names 48 and 3476 which are marked as MUST COALESCE.
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-sp_48(ab) and sp_3476(ab)
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-guile-2.0.11/libguile/vm-engine.c: In function 'vm_debug_engine':
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-guile-2.0.11/libguile/vm.c:673:19: internal compiler error: SSA corruption
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- #define VM_NAME vm_debug_engine
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- ^
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-guile-2.0.11/libguile/vm-engine.c:39:1: note: in expansion of macro 'VM_NAME'
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- VM_NAME (SCM vm, SCM program, SCM *argv, int nargs)
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- ^
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-Please submit a full bug report,
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-with preprocessed source if appropriate.
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-See <http://gcc.gnu.org/bugs.html> for instructions.
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-...
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-
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-Tweak libguile/vm-i-system.c to add boundary value check to workaround it.
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-
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-Upstream-Status: Pending
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-
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-Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
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-
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-Fixes Buildroot autobuilder failures on AArch64.
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-
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-Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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----
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- libguile/vm-i-system.c | 20 ++++++++++++++++----
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- 1 file changed, 16 insertions(+), 4 deletions(-)
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-
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-diff --git a/libguile/vm-i-system.c b/libguile/vm-i-system.c
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---- a/libguile/vm-i-system.c
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-+++ b/libguile/vm-i-system.c
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-@@ -625,10 +625,22 @@ VM_DEFINE_INSTRUCTION (47, bind_optionals_shuffle, "bind-optionals/shuffle", 6,
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- /* now shuffle up, from walk to ntotal */
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- {
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- scm_t_ptrdiff nshuf = sp - walk + 1, i;
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-- sp = (fp - 1) + ntotal + nshuf;
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-- CHECK_OVERFLOW ();
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-- for (i = 0; i < nshuf; i++)
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-- sp[-i] = walk[nshuf-i-1];
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-+ /* check the value of nshuf to workaround ice ssa corruption */
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-+ /* while compiling with -O -g */
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-+ if (nshuf > 0)
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-+ {
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-+ sp = (fp - 1) + ntotal + nshuf;
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-+ CHECK_OVERFLOW ();
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-+ for (i = 0; i < nshuf; i++)
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-+ sp[-i] = walk[nshuf-i-1];
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-+ }
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-+ else
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-+ {
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-+ sp = (fp - 1) + ntotal + nshuf;
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-+ CHECK_OVERFLOW ();
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-+ for (i = 0; i < nshuf; i++)
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-+ sp[-i] = walk[nshuf-i-1];
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-+ }
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- }
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- /* and fill optionals & keyword args with SCM_UNDEFINED */
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- while (walk <= (fp - 1) + ntotal)
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---
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-1.9.1
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-
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