Peephole constant folding had missed UNARY_POSITIVE.
diff --git a/Python/peephole.c b/Python/peephole.c
index 9163091..104db8c 100644
--- a/Python/peephole.c
+++ b/Python/peephole.c
@@ -197,6 +197,9 @@
case UNARY_INVERT:
newconst = PyNumber_Invert(v);
break;
+ case UNARY_POSITIVE:
+ newconst = PyNumber_Positive(v);
+ break;
default:
/* Called with an unknown opcode */
PyErr_Format(PyExc_SystemError,
@@ -500,6 +503,7 @@
LOAD_CONST c1 UNARY_OP --> LOAD_CONST unary_op(c) */
case UNARY_NEGATIVE:
case UNARY_INVERT:
+ case UNARY_POSITIVE:
if (lastlc >= 1 &&
ISBASICBLOCK(blocks, i-3, 4) &&
fold_unaryops_on_constants(&codestr[i-3], consts)) {