https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80831
Bug ID: 80831 Summary: internal compiler error: Segmentation fault with -fsyntax-only Product: gcc Version: 7.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: holger.hopp at sap dot com Target Milestone: --- Following code throws internal compiler error: Segmentation fault with g++ -c t.cpp --std=c++11 -fsyntax-only (gcc Releases 6 and 7, gcc 5 is ok) class A { public: virtual ~A() { } }; class B { }; class C : public A { }; template<class J> class D : public C { public: D() { } ~D() { } }; class E { public: static E& p(); B q(); template<class J> B q(void (J::*r)()) { new D<J>(); return q(); } }; void t() { class F { public: virtual void s() { } }; E& x = E::p(); B y = x.q(&F::s); } $ g++ -c t.cpp --std=c++11 -fsyntax-only t.cpp:41:1: internal compiler error: Segmentation fault } ^ 0xb045cf crash_signal <MYPATH>/gcc/gnu/gcc-7-branch/gcc/gcc/toplev.c:337 0x642c4c c_parse_final_cleanups() <MYPATH>/gcc/gnu/gcc-7-branch/gcc/gcc/cp/decl2.c:4710 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.