https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85302
Bug ID: 85302 Summary: [8 Regression] ICE in size_of_loc_descr, at dwarf2out.c:1771 on i686-linux-gnu Product: gcc Version: 7.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: doko at gcc dot gnu.org Target Milestone: --- seen with r259224 on i686-linux-gnu, trying to build clamav. not seen on x86_64. $ cat PointerTracking.ii class a { const char *b; public: a(const char *c) : b(c) {} }; class B { public: void d(a); } e; void f() { e.d(""); } $ g++ -std=c++11 -c -gsplit-dwarf -O1 PointerTracking.ii PointerTracking.ii:11:21: internal compiler error: in size_of_loc_descr, at dwarf2out.c:1771 void f() { e.d(""); } ^ 0x81bc782 size_of_loc_descr ../../src/gcc/dwarf2out.c:1771 0x845f242 size_of_locs(dw_loc_descr_node*) ../../src/gcc/dwarf2out.c:1967 0x846086d skip_loc_list_entry ../../src/gcc/dwarf2out.c:10057 0x8467471 index_location_lists ../../src/gcc/dwarf2out.c:30904 0x8467438 index_location_lists ../../src/gcc/dwarf2out.c:30912 0x8467438 index_location_lists ../../src/gcc/dwarf2out.c:30912 0x8467438 index_location_lists ../../src/gcc/dwarf2out.c:30912 0x847f518 dwarf2out_finish ../../src/gcc/dwarf2out.c:31194 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. Configured with: ../src/configure -v --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-8 --program-prefix=i686-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-targets=all --enable-multiarch --disable-werror --with-arch-32=i686 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu