[Bug middle-end/24295] [4.1 Regression] Xorg broken, #pragma weak foo = bar no longer causes bar to be referenced

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #20 from cvs-commit at gcc dot gnu dot org  2005-10-20 19:30 -------
Subject: Bug 24295

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     aoliva@gcc.gnu.org      2005-10-20 19:30:23

Modified files:
        gcc/testsuite  : ChangeLog 
        gcc            : ChangeLog cgraphunit.c varasm.c 
        gcc/testsuite/g++.old-deja/g++.abi: vtable2.C 
Added files:
        gcc/testsuite/gcc.dg: attr-alias-3.c 
        gcc/testsuite/gcc.dg/weak: weak-14.c 

Log message:
        gcc/ChangeLog:
        PR middle-end/24295
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
        alias targets.
        * varasm.c (find_decl_and_mark_needed): After cgraph global info
        is ready, stop marking functions, but still mark variables.
        gcc/testsuite/ChangeLog:
        PR middle-end/24295
        * g++.old-deja/g++.abi/vtable2.C: Do not introduce external
        declarations with the same names as thunks' alias targets, use
        aliases instead.
        * gcc.dg/attr-alias-3.c: New test.
        * gcc.dg/weak/weak-14.c, gcc.dg/weak/weak-14a.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.6219&r2=1.6220
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.10193&r2=2.10194
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cgraphunit.c.diff?cvsroot=gcc&r1=1.129&r2=1.130
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/varasm.c.diff?cvsroot=gcc&r1=1.533&r2=1.534
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.old-deja/g++.abi/vtable2.C.diff?cvsroot=gcc&r1=1.7&r2=1.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/attr-alias-3.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/weak/weak-14.c.diff?cvsroot=gcc&r1=NONE&r2=1.1


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24295