http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47022
Summary: ICE: in tsubst_copy, at cp/pt.c:11682
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: silver...@gmail.com
Created attachment 22828
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22828
reduced code from wxWidget trunk
the trunk version of gcc ICEs when I try to build wxWidgets trunk
$ mingw32-gcc -v -c ice.cpp
Using built-in specs.
COLLECT_GCC=mingw32-gcc
COLLECT_LTO_WRAPPER=/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../libexec/gcc/mingw32/4.6.0/lto-wrapper
Target: mingw32
Configured with: ../../../gcc_trunk/configure --target=mingw32
--prefix=/platform/cross-on-linux/mingw
--with-build-time-tools=/platform/cross-on-linux/mingw --with-pkgversion='Cross
MingW32 GCC 4.6' --enable-shared --enable-static --enable-threads=win32
--enable-version-specific-runtime-libs --disable-win32-registry
--enable-checking=release --with-gmp=/usr/local --with-mpfr=/usr/local
--with-mpc=/usr/local --with-ppl=/usr/local --with-cloog=/usr/local
--enable-languages=c,c++ --disable-nls --disable-libgcj --enable-lto
--disable-lto-plugin --enable-sjlj-exceptions
Thread model: win32
gcc version 4.6.0 20101219 (experimental) mingw-20090616 (Cross MingW32 GCC
4.6)
COLLECT_GCC_OPTIONS='-v' '-c' '-mtune=generic' '-march=pentiumpro'
/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../libexec/gcc/mingw32/4.6.0/cc1plus
-quiet -v -iprefix
/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/mingw32/4.6.0/
-D__MSVCRT_DLL__ ice.cpp -quiet -dumpbase ice.cpp -mtune=generic
-march=pentiumpro -auxbase ice -version -o /tmp/ccVwSqFd.s
GNU C++ (Cross MingW32 GCC 4.6) version 4.6.0 20101219 (experimental)
mingw-20090616 (mingw32)
compiled by GNU C version 4.4.3, GMP version 5.0.1, MPFR version
3.0.0-p3, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory
"/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/mingw32/4.6.0/../../../../mingw32/sys-include"
ignoring duplicate directory
"/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/../../lib/gcc/mingw32/4.6.0/include/c++"
ignoring duplicate directory
"/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/../../lib/gcc/mingw32/4.6.0/include/c++/mingw32"
ignoring duplicate directory
"/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/../../lib/gcc/mingw32/4.6.0/include/c++/backward"
ignoring duplicate directory
"/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/../../lib/gcc/mingw32/4.6.0/include"
ignoring duplicate directory
"/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/../../lib/gcc/mingw32/4.6.0/include-fixed"
ignoring nonexistent directory
"/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/../../lib/gcc/mingw32/4.6.0/../../../../mingw32/sys-include"
ignoring duplicate directory
"/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/../../lib/gcc/mingw32/4.6.0/../../../../mingw32/include"
#include "..." search starts here:
#include <...> search starts here:
/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/mingw32/4.6.0/include/c++
/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/mingw32/4.6.0/include/c++/mingw32
/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/mingw32/4.6.0/include/c++/backward
/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/mingw32/4.6.0/include
/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/mingw32/4.6.0/include-fixed
/home/starlight/src/gnu-toolchain/platform/cross-on-linux/mingw/bin/../lib/gcc/mingw32/4.6.0/../../../../mingw32/include
End of search list.
GNU C++ (Cross MingW32 GCC 4.6) version 4.6.0 20101219 (experimental)
compiled by GNU C version 4.4.3, GMP version 5.0.1, MPFR version
3.0.0-p3, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 77abd6679d94bf4b2788fa18297de959
ice.cpp: In function 'void foo(long double*, char*&) [with _T = char, va_list =
char*]':
ice.cpp:12:25: instantiated from here
ice.cpp:6:3: internal compiler error: in tsubst_copy, at cp/pt.c:11682
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
while gcc 4.4.3 (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5)) gives:
ice.cpp: In function ‘void bar(__va_list_tag*)’:
ice.cpp:12: error: no matching function for call to ‘foo(long double*,
__va_list_tag*&)’
