------- Comment #3 from janis at gcc dot gnu dot org 2008-09-17 17:02 -------
This is twisting my brain, but in this simplified testcase:
__PTRDIFF_TYPE__ p;
short q;
void foo () { ((char *)p)++; }
void bar () { ((char *)q)++; }
we get an error with both -m32 and-m64 for foo but not for bar:
elm3b149% /home/janis/tools/gcc-trunk-anonsvn/bin/g++ -c -m32 z.C
z.C: In function void foo():
z.C:3: error: lvalue required as increment operand
elm3b149% /home/janis/tools/gcc-trunk-anonsvn/bin/g++ -c -m64 z.C
z.C: In function void foo():
z.C:3: error: lvalue required as increment operand
although the expression "(char *)q" in bar is not an lvalue. What am I
missing?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37561
