http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60379
Bug ID: 60379
Summary: [4.9 Regression] pugixml build failure caused by
r207001
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: jason at gcc dot gnu.org
/usr/bin/g++ -flto=4 -march=native -O2 -Dpugixml_EXPORTS -DNDEBUG
-march=native -O2 -pipe -fPIC -o
CMakeFiles/pugixml.dir/var/tmp/portage/dev-libs/pugixml-1.4/work/pugix
ml-1.4/src/pugixml.cpp.o -c
/var/tmp/portage/dev-libs/pugixml-1.4/work/pugixml-1.4/src/pugixml.cpp
/var/tmp/portage/dev-libs/pugixml-1.4/work/pugixml-1.4/src/pugixml.cpp: In
static member function ‘static typename Traits::value_type
pugi::impl::{anonymous}::utf_decoder<Tra
its, opt_swap>::decode_utf8_block(const uint8_t*, size_t, typename
Traits::value_type)’:
/var/tmp/portage/dev-libs/pugixml-1.4/work/pugixml-1.4/src/pugixml.cpp:892:90:
error: a cast to a type other than an integral or enumeration type cannot
appear in a constant-
expression
while (size >= 4 && (*static_cast<const uint32_t*>(static_cast<const
void*>(data)) & 0x80808080) == 0)
markus@x4 tmp % cat test.ii
template <int> struct A {
void m_fn1(int p1) {
int *a;
while (p1 && *static_cast<int *>(static_cast<void *>(a)))
;
}
};
markus@x4 tmp % g++ -c test.ii
test.ii: In member function ‘void A<<anonymous> >::m_fn1(int)’:
test.ii:4:15: error: a cast to a type other than an integral or enumeration
type cannot appear in a constant-expression
while (p1 && *static_cast<int *>(static_cast<void *>(a)))
^
Started with r207001.
