http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56836
Bug #: 56836
Summary: Template delegating constructor not calling target
constructor
Classification: Unclassified
Product: gcc
Version: 4.7.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: rob.desb...@gmail.com
Created attachment 29799
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29799
Preprocessed source to reproduce failure
Source attached with template delegating constructor; no call to the desired
target is performed.
[rob@robdes tests]$ g++ -v -save-temps --std=c++11
bug-constructor-delegation.cpp
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.7.2/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --disable-build-with-cxx
--disable-build-poststage1-with-cxx --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object
--enable-linker-build-id --with-linker-hash-style=gnu
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin
--enable-initfini-array --enable-java-awt=gtk --disable-dssi
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
--enable-libgcj-multifile --enable-java-maintainer-mode
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib
--with-ppl --with-cloog --with-tune=generic --with-arch_32=i686
--build=x86_64-redhat-linux
Thread model: posix
gcc version 4.7.2 20120921 (Red Hat 4.7.2-2) (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++11' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
/usr/libexec/gcc/x86_64-redhat-linux/4.7.2/cc1plus -E -quiet -v -D_GNU_SOURCE
bug-constructor-delegation.cpp -mtune=generic -march=x86-64 -std=c++11
-fpch-preprocess -o bug-constructor-delegation.ii
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-redhat-linux/4.7.2/include-fixed"
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../x86_64-redhat-linux/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../include/c++/4.7.2
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../include/c++/4.7.2/x86_64-redhat-linux
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../include/c++/4.7.2/backward
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/include
/usr/local/include
/usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++11' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
/usr/libexec/gcc/x86_64-redhat-linux/4.7.2/cc1plus -fpreprocessed
bug-constructor-delegation.ii -quiet -dumpbase bug-constructor-delegation.cpp
-mtune=generic -march=x86-64 -auxbase bug-constructor-delegation -std=c++11
-version -o bug-constructor-delegation.s
GNU C++ (GCC) version 4.7.2 20120921 (Red Hat 4.7.2-2) (x86_64-redhat-linux)
compiled by GNU C version 4.7.2 20120921 (Red Hat 4.7.2-2), GMP version
5.0.2, MPFR version 3.1.0, MPC version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++ (GCC) version 4.7.2 20120921 (Red Hat 4.7.2-2) (x86_64-redhat-linux)
compiled by GNU C version 4.7.2 20120921 (Red Hat 4.7.2-2), GMP version
5.0.2, MPFR version 3.1.0, MPC version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: c80d6366117d4cf1da5e1787031f4a46
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++11' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
as -v --64 -o bug-constructor-delegation.o bug-constructor-delegation.s
GNU assembler version 2.22.52.0.1 (x86_64-redhat-linux) using BFD version
version 2.22.52.0.1-10.fc17 20120131
COMPILER_PATH=/usr/libexec/gcc/x86_64-redhat-linux/4.7.2/:/usr/libexec/gcc/x86_64-redhat-linux/4.7.2/:/usr/libexec/gcc/x86_64-redhat-linux/:/usr/lib/gcc/x86_64-redhat-linux/4.7.2/:/usr/lib/gcc/x86_64-redhat-linux/
LIBRARY_PATH=/usr/lib/gcc/x86_64-redhat-linux/4.7.2/:/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++11' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
/usr/libexec/gcc/x86_64-redhat-linux/4.7.2/collect2 --build-id --no-add-needed
--eh-frame-hdr --hash-style=gnu -m elf_x86_64 -dynamic-linker
/lib64/ld-linux-x86-64.so.2
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../lib64/crt1.o
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/crtbegin.o
-L/usr/lib/gcc/x86_64-redhat-linux/4.7.2
-L/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../..
bug-constructor-delegation.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/crtend.o
/usr/lib/gcc/x86_64-redhat-linux/4.7.2/../../../../lib64/crtn.o
Output of run:
[rob@robdes tests]$ ./a.out
a.out: bug-constructor-delegation.cpp:25: int main(): Assertion `f2.i == 1'
failed.
Aborted (core dumped)
