https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71393
Bug ID: 71393 Summary: [6.1 Regression] Compilation hang Product: gcc Version: 6.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: terra at gnome dot org Target Milestone: --- Created attachment 38630 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38630&action=edit MyClass.C g++ -fsanitize=undefined -Wall -c -g -O2 MyClass.C [hangs] This didn't happen in 5.3 Using built-in specs. COLLECT_GCC=/usr/local/products/gcc/6.1.0/bin/g++ COLLECT_LTO_WRAPPER=/usr/local/products/gcc/6.1.0/lib/gcc/x86_64-suse-linux/6.1.0/lto-wrapper Target: x86_64-suse-linux Configured with: ../../gcc-6.1.0/configure --enable-languages=c,c++,fortran --enable-targets=x86_64-suse-linux,i686-suse-linux --prefix=/usr/local/products/gcc/6.1.0 --with-gnu-as --with-as=/usr/local/products/gcc/binutils-2.26/bin/as --with-gnu-ld --with-ld=/usr/local/products/gcc/binutils-2.26/bin/ld.bfd --with-gmp=/usr/local/products/gcc/gmp-6.1.0 --with-mpfr=/usr/local/products/gcc/mpfr-3.1.4 --with-mpc=/usr/local/products/gcc/mpc-1.0.3 --enable-threads=posix --enable-shared --enable-__cxa_atexit --enable-libstdcxx-allocator=pool x86_64-suse-linux Thread model: posix gcc version 6.1.0 (GCC)