[Bug gcov-profile/55650] [4.8 Regression] Firefox profiledbuild: libxul.so: cannot map zero-fill pages: Cannot allocate memory

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55650

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-13 10:11:47 UTC ---
Author: jakub
Date: Thu Dec 13 10:11:39 2012
New Revision: 194470

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194470
Log:
    PR gcov-profile/55650
    * coverage.c (coverage_obj_init): Return false if no functions
    are being emitted.

    * g++.dg/other/pr55650.C: New test.
    * g++.dg/other/pr55650.cc: New file.

Added:
    trunk/gcc/testsuite/g++.dg/other/pr55650.C
    trunk/gcc/testsuite/g++.dg/other/pr55650.cc
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/coverage.c
    trunk/gcc/testsuite/ChangeLog