https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64035
Bug ID: 64035 Summary: [C++11] ICE in reshape_init_r when using initializer list aggregate initialization for default function parameters Product: gcc Version: 4.9.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: mail at jonasplatte dot de Created attachment 34081 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34081&action=edit Test case (not using preprocessor directives, so not precompiled) gcc -v: Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /build/gcc/src/gcc-4.9.2/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-cloog-backend=isl --disable-isl-version-check --disable-cloog-version-check --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --disable-multilib --disable-werror --enable-checking=release Thread model: posix gcc version 4.9.2 (GCC) My system is a x86_64 arch linux, with linux 3.17.3-1-ARCH. Compiler invocation for the test case: g++ -std=c++11 test2.cpp -Wall -Wextra The exact error message I get (also added it to the test case as comment): test1.cpp:21:7: internal compiler error: in reshape_init_r, at cp/decl.c:5481 I tried changing -std to c++14 and adding -pedantic to see if they make a difference, which both don't.