https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121784
Bug ID: 121784
Summary: error: cannot tail-call: argument must be passed by
copying
Product: gcc
Version: 15.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: xypron.glpk at gmx dot de
Target Milestone: ---
Created attachment 62299
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62299&action=edit
relevant *.ii, command line, gcc output, gcc configuration
When compiling upstream WebKit on risc64 on an rva23s64 VM multiple messages
"error: cannot tail-call: argument must be passed by copying" are displayed
leading to a build failure.
The message seems to be an indication of an internal GCC problem.
Operating system: Ubuntu 25.10
