[Bug middle-end/60291] [4.7/4.8/4.9 Regression] slow compile times for any mode (-O0/-O1/-O2) on large .c source file (30MBs)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60291

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> ---
And with http://gcc.gnu.org/ml/gcc-patches/2014-02/msg01314.html we get at -O0

 expand                  :   1.59 ( 5%) usr   0.05 ( 1%) sys   1.72 ( 5%) wall 
261220 kB (13%) ggc
 TOTAL                 :  29.96             6.17            36.12           
1991207 kB

and -Og and -O1.

 expand                  :   1.03 ( 2%) usr   0.16 ( 2%) sys   1.44 ( 2%) wall 
196031 kB ( 9%) ggc
 TOTAL                 :  49.82             9.01            58.80           
2280015 kB