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-rw-r--r--Python/compile.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/Python/compile.c b/Python/compile.c
index 8951331..c3ef67a 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -714,6 +714,8 @@ opcode_stack_effect(int opcode, int oparg)
return -1;
case STORE_SUBSCR:
return -3;
+ case STORE_MAP:
+ return -2;
case DELETE_SUBSCR:
return -2;
@@ -3169,19 +3171,14 @@ compiler_visit_expr(struct compiler *c, expr_ty e)
case IfExp_kind:
return compiler_ifexp(c, e);
case Dict_kind:
- /* XXX get rid of arg? */
- ADDOP_I(c, BUILD_MAP, 0);
n = asdl_seq_LEN(e->v.Dict.values);
- /* We must arrange things just right for STORE_SUBSCR.
- It wants the stack to look like (value) (dict) (key) */
+ ADDOP_I(c, BUILD_MAP, (n>255 ? 255 : n));
for (i = 0; i < n; i++) {
- ADDOP(c, DUP_TOP);
VISIT(c, expr,
(expr_ty)asdl_seq_GET(e->v.Dict.values, i));
- ADDOP(c, ROT_TWO);
VISIT(c, expr,
(expr_ty)asdl_seq_GET(e->v.Dict.keys, i));
- ADDOP(c, STORE_SUBSCR);
+ ADDOP(c, STORE_MAP);
}
break;
case Set_kind: