https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65503
Bug ID: 65503
Summary: g++ string array in struct crash
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gpkiwi at msn dot com
Created attachment 35082
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35082&action=edit
file produced by >gcc -v -save-temps -Wall -Wextra c.cc
This crashes mingw g++ (GCC) 4.8.1 XP home SP3
Ubuntu 4.8.1-2ubuntu1~12.04 with s[99999] it hangs.
>gcc c.cc -Wall -Wextra
>gcc c.cc -Wall -Wextra -fno-strict-aliasing -fwrapv
#include <string>
struct T {
std::string s[4065]; // 4064 is OK
};
int main() {
T m = {"x", "y"};
}
>gcc -v -save-temps -Wall -Wextra c.cc
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=c:/mingw/bin/../libexec/gcc/mingw32/4.8.1/lto-wrapper.exe
Target: mingw32
Configured with: ../gcc-4.8.1/configure --prefix=/mingw --host=mingw32
--build=mingw32 --without-pic --enable-shared --e
nable-static --with-gnu-ld --enable-lto --enable-libssp --disable-multilib
--enable-languages=c,c++,fortran,objc,obj-c++
,ada --disable-sjlj-exceptions --with-dwarf2 --disable-win32-registry
--enable-libstdcxx-debug --enable-version-specific
-runtime-libs --with-gmp=/usr/src/pkg/gmp-5.1.2-1-mingw32-src/bld
--with-mpc=/usr/src/pkg/mpc-1.0.1-1-mingw32-src/bld --
with-mpfr= --with-system-zlib --with-gnu-as --enable-decimal-float=yes
--enable-libgomp --enable-threads --with-libiconv
-prefix=/mingw32 --with-libintl-prefix=/mingw --disable-bootstrap LDFLAGS=-s
CFLAGS=-D_USE_32BIT_TIME_T
Thread model: win32
gcc version 4.8.1 (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-mtune=generic'
'-march=pentiumpro'
c:/mingw/bin/../libexec/gcc/mingw32/4.8.1/cc1plus.exe -E -quiet -v -iprefix
c:\mingw\bin\../lib/gcc/mingw32/4.8.1/ c.cc
-mtune=generic -march=pentiumpro -Wall -Wextra -fpch-preprocess -o c.ii
ignoring duplicate directory
"c:/mingw/lib/gcc/../../lib/gcc/mingw32/4.8.1/include/c++"
ignoring duplicate directory
"c:/mingw/lib/gcc/../../lib/gcc/mingw32/4.8.1/include/c++/mingw32"
ignoring duplicate directory
"c:/mingw/lib/gcc/../../lib/gcc/mingw32/4.8.1/include/c++/backward"
ignoring duplicate directory
"c:/mingw/lib/gcc/../../lib/gcc/mingw32/4.8.1/include"
ignoring duplicate directory
"c:/mingw/lib/gcc/../../lib/gcc/mingw32/4.8.1/../../../../include"
ignoring duplicate directory "/mingw/include"
ignoring duplicate directory
"c:/mingw/lib/gcc/../../lib/gcc/mingw32/4.8.1/include-fixed"
ignoring duplicate directory
"c:/mingw/lib/gcc/../../lib/gcc/mingw32/4.8.1/../../../../mingw32/include"
ignoring duplicate directory "/mingw/include"
#include "..." search starts here:
#include <...> search starts here:
c:\mingw\bin\../lib/gcc/mingw32/4.8.1/include/c++
c:\mingw\bin\../lib/gcc/mingw32/4.8.1/include/c++/mingw32
c:\mingw\bin\../lib/gcc/mingw32/4.8.1/include/c++/backward
c:\mingw\bin\../lib/gcc/mingw32/4.8.1/include
c:\mingw\bin\../lib/gcc/mingw32/4.8.1/../../../../include
c:\mingw\bin\../lib/gcc/mingw32/4.8.1/include-fixed
c:\mingw\bin\../lib/gcc/mingw32/4.8.1/../../../../mingw32/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-Wall' '-Wextra' '-mtune=generic'
'-march=pentiumpro'
c:/mingw/bin/../libexec/gcc/mingw32/4.8.1/cc1plus.exe -fpreprocessed c.ii
-quiet -dumpbase c.cc -mtune=generic -march=p
entiumpro -auxbase c -Wall -Wextra -version -o c.s
GNU C++ (GCC) version 4.8.1 (mingw32)
compiled by GNU C version 4.8.1, GMP version 5.1.2, MPFR version 3.1.2,
MPC version 1.0.1
GGC heuristics: --param ggc-min-expand=99 --param ggc-min-heapsize=130944
GNU C++ (GCC) version 4.8.1 (mingw32)
compiled by GNU C version 4.8.1, GMP version 5.1.2, MPFR version 3.1.2,
MPC version 1.0.1
GGC heuristics: --param ggc-min-expand=99 --param ggc-min-heapsize=130944
Compiler executable checksum: 1ebc2a6f92fbd3aadc367a20a63fdf9f
