http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46715
Summary: template constructor - Compiler Bus error under
-O2/-Os
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: mgr.cl...@gmail.com
GCC version and command line options can be found at the bottom. Preprocessed
source as included breaks the compiler.
Seems to be related to a templated class that requires padding There are 2
byte size members at the end of the class, when one is set in a constructor,
and the other is accessed inside a loop, it fails to compiler under -O2/-Os
The code compiles FINE under any one of the following conditions.
If the CircleSprite constructor is declared inside the class definition.
If the VertList<> constructor doesn't assign it's last member to false.
If the VertList<> operator[] doesn't set boundVerts to false
If inside the CircleSprite constructor, vertList is not accessed BEFORE the
loop.
If inside the CircleSprite constructor, vertList is not accessed INSIDE the
loop.
If inside the CircleSprite constructor, vertList is not accessed AFTER the
loop.
GCC VERSION:
/android/android-ndk-r4b/build/prebuilt/darwin-x86/arm-eabi-4.4.0/bin/arm-eabi-g++
-v
Using built-in specs.
Target: arm-eabi
Configured with: /tmp/xsrc/build/../gcc/gcc-4.4.0/configure
--prefix=/tmp/xndk/build/prebuilt/darwin-x86/arm-eabi-4.4.0 --target=arm-eabi
--host=i386-apple-darwin8.11.1 --build=i386-apple-darwin8.11.1
--enable-languages=c,c++
--with-gmp=/tmp/ndk-prebuilt-fS9/toolchain-arm-eabi-4.4.0/temp-install
--with-mpfr=/tmp/ndk-prebuilt-fS9/toolchain-arm-eabi-4.4.0/temp-install
--disable-libssp --enable-threads --disable-nls --disable-libmudflap
--disable-libgomp --disable-libstdc__-v3 --disable-sjlj-exceptions
--disable-shared --disable-tls --with-float=soft --with-fpu=vfp
--with-arch=armv5te --enable-target-optspace --with-abi=aapcs --disable-nls
--prefix=/tmp/xndk/build/prebuilt/darwin-x86/arm-eabi-4.4.0
--with-sysroot=/Volumes/Droid/ndk/ndk/build/platforms/android-3/arch-arm
--with-binutils-version=2.19 --with-gcc-version=4.4.0 --with-gdb-version=6.6
--program-transform-name='s&^&arm-eabi-&'
Thread model: single
gcc version 4.4.0 (GCC)
COMPILE COMMAND
/Users/matthewclark/android/android-ndk-r4b/build/prebuilt/darwin-x86/arm-eabi-4.4.0/bin/arm-eabi-g++
-I/Users/matthewclark/android/android-ndk-r4b/build/platforms/android-8/arch-arm/usr/include
-fpic -mthumb-interwork -ffunction-sections -funwind-tables -fstack-protector
-fno-short-enums -Wno-psabi -march=armv5te -mtune=xscale -msoft-float
-fno-exceptions -fno-rtti -O2 -save-temps -Wa,--noexecstack -c -MMD -MP -MF
/Perforce/branches/Trains/android/obj/local/armeabi/objs/VoxelEngine/../../Source/Graphics/CircleSprite.o.d
/Perforce/branches/Trains/android/jni/../../Source/Graphics/CircleSprite.cpp -o
/Perforce/branches/Trains/android/obj/local/armeabi/objs/VoxelEngine/../../Source/Graphics/CircleSprite.o
THE ERROR:
/Perforce/branches/Trains/android/jni/../../Source/Graphics/CircleSprite.cpp:
In constructor 'Graphics::CircleSprite::CircleSprite()':
/Perforce/branches/Trains/android/jni/../../Source/Graphics/CircleSprite.cpp:118:
internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
