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From: "wz at email dot sdu.edu.cn" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/104168] New: Crashed when compile `void f(const int N){ int a[1][N] = {}; }`, internal compiler error: in make_decl_rtl, at varasm.c:1422 Date: Fri, 21 Jan 2022 17:46:05 +0000 [thread overview] Message-ID: <bug-104168-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104168 Bug ID: 104168 Summary: Crashed when compile `void f(const int N){ int a[1][N] = {}; }`, internal compiler error: in make_decl_rtl, at varasm.c:1422 Product: gcc Version: 11.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: wz at email dot sdu.edu.cn Target Milestone: --- Created attachment 52258 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52258&action=edit preprocessed source g++(11.2.0) crashed when compile such functions on ubuntu-21.10-x86_64: void f(const int N){ int a[1][N] = {}; // internal compiler error //int a[1][N]{}; // same error //int a[1][N]; // ok //int a[1][N] = {{}}; // ok } # g++ -v -save-temps demo.cpp Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/11/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 11.2.0-7ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-11 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --enable-cet --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-11-ZPT0kp/gcc-11-11.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-ZPT0kp/gcc-11-11.2.0/debian/tmp-gcn/usr --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=2 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.2.0 (Ubuntu 11.2.0-7ubuntu2) COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc' '-mtune=generic' '-march=x86-64' '-dumpdir' 'a-' /usr/lib/gcc/x86_64-linux-gnu/11/cc1plus -E -quiet -v -imultiarch x86_64-linux-gnu -D_GNU_SOURCE demo.cpp -mtune=generic -march=x86-64 -fpch-preprocess -fasynchronous-unwind-tables -fstack-protector-strong -Wformat -Wformat-security -fstack-clash-protection -fcf-protection -o a-demo.ii ignoring duplicate directory "/usr/include/x86_64-linux-gnu/c++/11" ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/11/include-fixed" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../x86_64-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/include/c++/11 /usr/include/x86_64-linux-gnu/c++/11 /usr/include/c++/11/backward /usr/lib/gcc/x86_64-linux-gnu/11/include /usr/local/include /usr/include/x86_64-linux-gnu /usr/include End of search list. COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc' '-mtune=generic' '-march=x86-64' '-dumpdir' 'a-' /usr/lib/gcc/x86_64-linux-gnu/11/cc1plus -fpreprocessed a-demo.ii -quiet -dumpdir a- -dumpbase demo.cpp -dumpbase-ext .cpp -mtune=generic -march=x86-64 -version -fasynchronous-unwind-tables -fstack-protector-strong -Wformat -Wformat-security -fstack-clash-protection -fcf-protection -o a-demo.s GNU C++17 (Ubuntu 11.2.0-7ubuntu2) version 11.2.0 (x86_64-linux-gnu) compiled by GNU C version 11.2.0, GMP version 6.2.1, MPFR version 4.1.0, MPC version 1.2.0, isl version isl-0.24-GMP GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU C++17 (Ubuntu 11.2.0-7ubuntu2) version 11.2.0 (x86_64-linux-gnu) compiled by GNU C version 11.2.0, GMP version 6.2.1, MPFR version 4.1.0, MPC version 1.2.0, isl version isl-0.24-GMP GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: b2aa013a9bb78f98e29ce58cd37c6337 during RTL pass: expand demo.cpp: In function 'void f(int)': demo.cpp:1:26: internal compiler error: in make_decl_rtl, at varasm.c:1422 1 | void f(const int N){ int a[1][N] = {}; } | ^ 0x5f0d11 make_decl_rtl(tree_node*) ../../src/gcc/varasm.c:1422 0x11a73c5 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../src/gcc/expr.c:10248 0x15e0173 expand_constructor ../../src/gcc/expr.c:8380 0x11a6abd expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../src/gcc/expr.c:10540 0x120c2be expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ../../src/gcc/expr.c:8519 0x120c2be store_expr(tree_node*, rtx_def*, int, bool, bool) ../../src/gcc/expr.c:5886 0x133469d store_field ../../src/gcc/expr.c:7380 0x12061b7 expand_assignment(tree_node*, tree_node*, bool) ../../src/gcc/expr.c:5482 0x1204849 expand_gimple_stmt_1 ../../src/gcc/cfgexpand.c:3937 0x1204849 expand_gimple_stmt ../../src/gcc/cfgexpand.c:4035 0x11cb7b8 expand_gimple_basic_block ../../src/gcc/cfgexpand.c:6077 0x11cb7b8 execute ../../src/gcc/cfgexpand.c:6761 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <file:///usr/share/doc/gcc-11/README.Bugs> for instructions.
next reply other threads:[~2022-01-21 17:46 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-21 17:46 wz at email dot sdu.edu.cn [this message] 2022-01-21 17:48 ` [Bug c++/104168] " pinskia at gcc dot gnu.org
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