https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60243
--- Comment #17 from Richard Biener <rguenth at gcc dot gnu.org> --- So, add a comment in the asm to make the testcase test the same as originally for this PR (seems to peak at ~2GB then). Execution times (seconds) phase setup : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 1182 kB ( 0%) ggc phase parsing : 6.53 ( 3%) usr 7.40 (73%) sys 13.93 ( 6%) wall 611643 kB (19%) ggc phase opt and generate : 202.70 (97%) usr 2.70 (27%) sys 205.41 (94%) wall 2569108 kB (81%) ggc ipa profile : 14.77 ( 7%) usr 0.00 ( 0%) sys 14.77 ( 7%) wall 0 kB ( 0%) ggc ipa SRA : 127.88 (61%) usr 0.89 ( 9%) sys 129.17 (59%) wall 619431 kB (19%) ggc early inlining heuristics: 3.74 ( 2%) usr 0.00 ( 0%) sys 3.64 ( 2%) wall 1928 kB ( 0%) ggc tree CFG construction : 8.73 ( 4%) usr 0.05 ( 0%) sys 8.77 ( 4%) wall 651524 kB (20%) ggc tree operand scan : 10.61 ( 5%) usr 0.33 ( 3%) sys 10.77 ( 5%) wall 95009 kB ( 3%) ggc scheduling 2 : 3.69 ( 2%) usr 0.02 ( 0%) sys 3.80 ( 2%) wall 502 kB ( 0%) ggc TOTAL : 209.23 10.10 219.35 3181942 kB