spinning a separate bug from PR26830. we are creating a lot of field memory tags, each of which is present in a 900-argument phi, which causes us to use more memory than 4.0.
to some extent this is unavoidable, but I wonder if we could throttle things down a bit? -- Summary: [4.1/4.2 Regression] Insane amount of memory needed at - O1 and above because of salias Product: gcc Version: 4.1.0 Status: UNCONFIRMED Keywords: memory-hog, alias Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bonzini at gnu dot org BugsThisDependsOn: 26830 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27004