https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105443
Bug ID: 105443 Summary: [modules] Internal compiler error Product: gcc Version: 11.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: john at johnmaddock dot co.uk Target Milestone: --- Created attachment 52913 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52913&action=edit zip file containing test case. The attached pre-processed source generates: In module imported at ../../module/sf.cxx:24:1: boost.math.constants: note: unable to represent further imported source locations ../../module/sf.cxx:21:8: internal compiler error: in write_location, at cp/module.cc:15609 21 | export module boost.math.special_functions; | ^~~~~~ libbacktrace could not find executable to open Please submit a full bug report, with preprocessed source if appropriate. Found while experimenting with modules and Boost.Math.