https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67893
Bug ID: 67893 Summary: [5 Regression] memory hog building a C++ file (on x86_64-linux-gnu) Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: doko at gcc dot gnu.org Target Milestone: --- Created attachment 36462 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36462&action=edit preprocessed source this is one file from the insighttoolkit software, a swig generated source file. built with -g -O2 -fstack-protector-strong -fPIC -fno-strict-aliasing trunk needs -fpermissive in addition. memory usage with the 4.9 branch peaks at 2.5G, with the 5 branch at 3.3G, with trunk at 2.3G.