/local/devel/toolchain44/x86_64-gnu-linux/bin/x86_64-gnu-linux-g++ -dumpversion 4.4.0 /local/devel/toolchain44/x86_64-gnu-linux/bin/x86_64-gnu-linux-g++ -c -Wall -O2 -g0 -fPIC --save-temps \ -isystem ./buildenv/linux/gcc-4.4/64/boost-stlport-1.37.0/include \ bug.cpp bug.cpp: In function 'void foo()': bug.cpp:6: warning: dereferencing pointer '<anonymous>' does break strict-aliasing rules ./buildenv/linux/gcc-4.4/64/boost-stlport-1.37.0/include/boost/optional/optional.hpp:315: note: initialized from here bug.cpp:6: warning: dereferencing pointer '<anonymous>' does break strict-aliasing rules ./buildenv/linux/gcc-4.4/64/boost-stlport-1.37.0/include/boost/optional/optional.hpp:594: note: initialized from here
on 4.3.2 it compiles cleanly. -- Summary: [4.4 regression] warnings from -isystem headers strikes back. Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pluto at agmk dot net GCC target triplet: x86_64-gnu-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38503