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authorRaymond Hettinger <python@rcn.com>2011-03-15 15:03:36 -0700
committerRaymond Hettinger <python@rcn.com>2011-03-15 15:03:36 -0700
commit312c21bb172f56ba90c4c06e2873ceac1170aa18 (patch)
tree604c90d1f6fcf31df95cbbdfad7dfc76eda3fe2d /Python/peephole.c
parentd36461b5a44b48997fbdbc7012b3b38341854586 (diff)
downloadcpython-312c21bb172f56ba90c4c06e2873ceac1170aa18.tar.gz
Issue 11510: Fix BUILD_SET optimizer bug.
Diffstat (limited to 'Python/peephole.c')
-rw-r--r--Python/peephole.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Python/peephole.c b/Python/peephole.c
index ab96ce9def..4bc65dcc31 100644
--- a/Python/peephole.c
+++ b/Python/peephole.c
@@ -535,7 +535,8 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
}
if (codestr[i+3] != UNPACK_SEQUENCE ||
!ISBASICBLOCK(blocks,i,6) ||
- j != GETARG(codestr, i+3))
+ j != GETARG(codestr, i+3) ||
+ opcode == BUILD_SET)
continue;
if (j == 1) {
memset(codestr+i, NOP, 6);