http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48094
Summary: ld: warning: section has unexpectedly large size
errors in objc/obj-c++ lto
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: howa...@nitro.med.uc.edu
A large number of new failures occur in the objc/obj-c++ testsuite when built
under Xcode 4.0 on x86_64-apple-darwin10. These failures are all of the form...
Executing on host: /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/ objc_lto_trivial-1_0.o
-O0 -flto -flto-partition=none -fnext-runtime
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/i386/libobjc/.libs
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/x86_64-apple-darwin10.7.0/i386/libobjc/.libs
-lobjc -m32 -o objc-dg-lto-trivial-1-21 (timeout = 300)
ld: warning: section __OBJC/__image_info has unexpectedly large size 16 in
/var/tmp//ccMlEsXS.lto.o^M
Undefined symbols for architecture i386:^M
".objc_class_name_myRootObject", referenced from:^M
pointer-to-literal-objc-class-name in ccMlEsXS.lto.o^M
pointer-to-literal-objc-class-name in ccMlEsXS.lto.o^M
ld: symbol(s) not found for architecture i386^M
collect2: ld returned 1 exit status^M
compiler exited with status 1
output is:
ld: warning: section __OBJC/__image_info has unexpectedly large size 16 in
/var/tmp//ccMlEsXS.lto.o^M
Undefined symbols for architecture i386:^M
".objc_class_name_myRootObject", referenced from:^M
pointer-to-literal-objc-class-name in ccMlEsXS.lto.o^M
pointer-to-literal-objc-class-name in ccMlEsXS.lto.o^M
ld: symbol(s) not found for architecture i386^M
collect2: ld returned 1 exit status^M
FAIL: objc.dg/lto/trivial-1 objc_lto_trivial-1_0.o-objc_lto_trivial-1_0.o link,
-O0 -flto -flto-partition=none -fnext-runtime
The ld warning for "unexpectedly large size" is always associated with an
undefined symbol for .objc_class_name_myRootObject.
