------- Comment #11 from mikpe at it dot uu dot se 2010-05-27 21:35 ------- Created an attachment (id=20763) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20763&action=view) preprocessed source for libiberty/cp-demangle.c
Here's the preprocessed source for libiberty/cp-demangle.c as generated by gcc-4.6-20100522 on sparc64-unknown-linux. The same 4.6 snapshot built on x86 as a cross to sparc64-unknown-linux also fails with -m32 -g -fcompare-debug -O2: > sparc64-unknown-linux-gcc -m32 -g -fcompare-debug -O2 -c cp-demangle.i sparc64-unknown-linux-gcc: cp-demangle.i: -fcompare-debug failure If you compile cp-demangle.i to .o first with -g0 and then with -g and compare the objdump -d output from those two object files, you'll find a single instruction difference at or near address 0x5080 in function cplus_demangle_type (). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44255
