Re-rename instead of walking back after redirect

[Tang-Haojin]

[poemonsense]

[Generated by IPC robot] commit: e091ae6281ab039166e24597eeb0b6cbfc2cc9c5

commit	astar	copy_and_run	coremark	gcc	gromacs	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
e091ae6	1.509	0.508	1.933	1.065	2.387	1.414	1.252	0.357	1.261	0.936	3.305	2.418	2.128	1.574

master branch:

commit	astar	copy_and_run	coremark	gcc	gromacs	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
ba76269	1.454	0.509	1.937	1.053	2.490	1.426	1.248	0.347	1.281	0.948	3.187	2.345	2.142	1.570
fe0bde0	1.456	0.509	1.937	1.053	2.490	1.426	1.249	0.349	1.284	0.948	3.187	2.362	2.141	1.570
350b5a9	1.456	0.509	1.937	1.053	2.490	1.426	1.249	0.347	1.279	0.948	3.181	2.361	2.144	1.570
ad87977	1.464	0.510	1.943	1.053	2.432	1.419	1.249	0.349	1.278	0.949	3.186	2.351	2.116	1.564
3102ffd	1.459	0.509	1.938	1.050	2.388	1.420	1.251	0.347	1.281	0.942	3.204	2.350	2.115	1.542
d880177	1.458	0.509	1.938	1.050	2.388	1.420	1.251	0.347	1.272	0.942	3.202	2.341	2.117	1.542
eec8e2e	1.457	0.509	1.938	1.050	2.388	1.420	1.250	0.348	1.272	0.942	3.202	2.352	2.115	1.542
03fa16c	1.457	0.509	1.938	1.050	2.388	1.420	1.248	0.347	1.272	0.942	3.202	2.338	2.123	1.542
c3b763d	1.469	0.509	1.928	1.057	2.388	1.420	1.251	0.347	1.285	0.942	3.190	2.353	2.126	1.542
613926b	1.467	0.511	1.959	1.056	2.407	1.426	1.253	0.346	1.296	0.948	3.179	2.356	2.121	1.548

[poemonsense]

[Generated by IPC robot] commit: 7cb1cffd05a1bcc53614737f2cccfd084f69eaa0

commit	astar	copy_and_run	coremark	gcc	gromacs	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
7cb1cff	1.495	0.508	1.943	1.035	2.444	1.318	1.231	0.551	1.259	0.853	3.317	2.422	2.119	1.376

master branch:

commit	astar	copy_and_run	coremark	gcc	gromacs	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
8a167be	1.435	0.508	1.937	1.032	2.457	1.304	1.230	0.519	1.247	0.831	3.190	2.332	2.130	1.335
04ac809	1.461	0.509	1.937	1.055	2.498	1.416	1.254	0.345	1.268	0.939	3.195	2.346	2.142	1.563
40f3172	1.459	0.509	1.937	1.050	2.498	1.416	1.253	0.349	1.281	0.939	3.189	2.352	2.139	1.563
71784e6	1.467	0.509	1.937	1.059	2.498	1.416	1.255	0.345	1.279	0.943	3.194	2.347	2.139	1.563
e323d51		0.509	1.937				1.254		1.279			2.350
03efd99	1.468	0.509	1.937	1.051	2.505	1.418	1.253	0.348	1.268	0.941	3.206	2.351	2.135	1.558
52180d7	1.462	0.509	1.937	1.051	2.481	1.413	1.253	0.347	1.281	0.942	3.174	2.348	2.141	1.560
5986560	1.462	0.509	1.937	1.051	2.481	1.413	1.250	0.348	1.282	0.942	3.179	2.344	2.141	1.560
8815ed5	1.462	0.509	1.937	1.051	2.481	1.413	1.250	0.349	1.279	0.942	3.179	2.348	2.141	1.560
9bb2ac0	1.462	0.509	1.937	1.055	2.481	1.413	1.251	0.349	1.284	0.942	3.174	2.350	2.142	1.560