https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71871
Bug ID: 71871
Summary: ICE on mixing templates and vector extensions ternary
operator
Product: gcc
Version: 5.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: mirq-gccboogs at rere dot qmqm.pl
Target Milestone: ---
Created attachment 38893
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38893&action=edit
test case
Attached causes an ICE.
$ g++ -c a.cc
a.cc: In function ‘void foo() [with unsigned int N = 0u]’:
a.cc:7:2: internal compiler error: in gimplify_expr, at gimplify.c:8858
x = x ? x : -1;
^
0x74c6d9 gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
../../src/gcc/gimplify.c:8858
0xefc41c internal_get_tmp_var
../../src/gcc/gimplify.c:555
0x12b62d1 get_initialized_tmp_var(tree_node*, gimple_statement_base**,
gimple_statement_base**)
../../src/gcc/gimplify.c:598
0x12b62d1 gimplify_save_expr
../../src/gcc/gimplify.c:4887
0xef8d54 gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
../../src/gcc/gimplify.c:8412
0xef80cf gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
../../src/gcc/gimplify.c:8228
0x7516c5 gimplify_init_constructor
../../src/gcc/gimplify.c:4103
0xefbeb0 gimplify_modify_expr_rhs
../../src/gcc/gimplify.c:4274
0xefb4a9 gimplify_modify_expr
../../src/gcc/gimplify.c:4603
0xef778f gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
../../src/gcc/gimplify.c:8126
0xefc82b gimplify_stmt(tree_node**, gimple_statement_base**)
../../src/gcc/gimplify.c:5545
0xefc82b gimplify_and_add(tree_node*, gimple_statement_base**)
../../src/gcc/gimplify.c:423
0xefc82b internal_get_tmp_var
../../src/gcc/gimplify.c:568
0xef7c8c get_formal_tmp_var(tree_node*, gimple_statement_base**)
../../src/gcc/gimplify.c:589
0xef7c8c gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
../../src/gcc/gimplify.c:9050
0x74b6d6 gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
../../src/gcc/gimplify.c:8844
0xefb54b gimplify_modify_expr
../../src/gcc/gimplify.c:4644
0xef778f gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
../../src/gcc/gimplify.c:8126
0xef716e gimplify_stmt(tree_node**, gimple_statement_base**)
../../src/gcc/gimplify.c:5545
0xef8570 gimplify_cleanup_point_expr
../../src/gcc/gimplify.c:5321
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-5/README.Bugs> for instructions.
$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/5/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 5.4.0-6'
--with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs
--enable-languages=c,ada,c++,jau
Thread model: posix
gcc version 5.4.0 20160609 (Debian 5.4.0-6)
also fails on:
$ g++ -v
Using built-in specs.
COLLECT_GCC=/usr/bin/g++-4.9.real
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.9/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.9.2-10'
--with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs
--enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.9 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-vtable-verify
--enable-plugin --with-system-zlib --disable-browser-plugin
--enable-java-awt=gtk --enable-gtk-cairo
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/jre --enable-java-home
--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.9-amd64
--with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--enable-objc-gc --enable-multiarch --with-arch-32=i586 --with-abi=m64
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.9.2 (Debian 4.9.2-10)
