https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107080
Bug ID: 107080 Summary: ICE in verify_symtab_nodes using _Float64x with long double Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: jsm28 at gcc dot gnu.org CC: jakub at gcc dot gnu.org Target Milestone: --- Target: x86_64-* i?86-* ia64-* Compiling the following C++ test for x86_64 (or i686 or ia64) produces an ICE, no optimization or other options required (presumably introduced by the _FloatN / _FloatNx support for C++). template<typename> struct S; template<> struct S<long double> { static int call (long double x, long double y) throw () { return 3; } }; template<> struct S<_Float64x> { static int call (_Float64x x, _Float64x y) throw () { return 3; } }; template<typename T1, typename T2> inline int g (T1 x, T2 y) throw () { typedef decltype (x + y) T3; return S<T3>::call (x, y); } int f () { return g (0.0f64x, 0.0f64x) + g (0.0f64x, 0.0L); } t.cc:31:1: error: Two symbols with same comdat_group are not linked by the same_comdat_group list. 31 | } | ^ _Z1gIeeEiT_T0_/4 (int g(T1, T2) [with T1 = _Float64x; T2 = long double]) Type: function definition analyzed Visibility: semantic_interposition no_reorder public weak comdat comdat_group:_Z1gIeeEiT_T0_ one_only previous sharing asm name: 3 References: __gxx_personality_v0/5 (addr) Referring: Function flags: body Called by: _Z1fv/2 Calls: _ZN1SIeE4callEee/1 _Z1gIeeEiT_T0_/3 (int g(T1, T2) [with T1 = _Float64x; T2 = _Float64x]) Type: function definition analyzed Visibility: semantic_interposition no_reorder public weak comdat comdat_group:_Z1gIeeEiT_T0_ one_only next sharing asm name: 4 References: __gxx_personality_v0/5 (addr) Referring: Function flags: body Called by: _Z1fv/2 Calls: _ZN1SIeE4callEee/1 t.cc:31:1: internal compiler error: symtab_node::verify failed 0xc9ba69 symtab_node::verify_symtab_nodes() /scratch/jmyers/glibc/many13/src/gcc/gcc/symtab.cc:1410 0xcb4ab3 symtab_node::checking_verify_symtab_nodes() /scratch/jmyers/glibc/many13/src/gcc/gcc/cgraph.h:682 0xcb4ab3 symbol_table::compile() /scratch/jmyers/glibc/many13/src/gcc/gcc/cgraphunit.cc:2264 0xcb80cd symbol_table::compile() /scratch/jmyers/glibc/many13/src/gcc/gcc/cgraphunit.cc:2261 0xcb80cd symbol_table::finalize_compilation_unit() /scratch/jmyers/glibc/many13/src/gcc/gcc/cgraphunit.cc:2529 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.