-Wcoverage-mismatch doesn't seem to work. GCC 4.4.3 compiles pgo mozilla
successfully.
c++ -o nsStringObsolete.o -c -I../../../dist/system_wrappers -include
/home/taras/work/mozilla-central/config/gcc_hidden.h
-I../../../dist/stl_wrappers -DMOZILLA_INTERNAL_API
-DOSTYPE=\"Linux2.6.18-164.15.1\" -DOSARCH=Linux -D_IMPL_NS_COM
-I/home/taras/work/mozilla-central/xpcom/string/src -I. -I../../../dist/include
-I../../../dist/include/nsprpub
-I/home/taras/builds/minefield.pgo/dist/include/nspr
-I/home/taras/builds/minefield.pgo/dist/include/nss -fPIC -fno-rtti
-fno-exceptions -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth
-Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof
-Wno-variadic-macros -Werror=return-type -Wno-long-long -pedantic
-Wcoverage-mismatch -fno-strict-aliasing -fshort-wchar -pthread -pipe -DNDEBUG
-DTRIMMED -fprofile-use -Os -freorder-blocks -freorder-blocks-and-partition
-fomit-frame-pointer -DMOZILLA_CLIENT -include ../../../mozilla-config.h
-Wp,-MD,.deps/nsStringObsolete.pp
/home/taras/work/mozilla-central/xpcom/string/src/nsStringObsolete.cpp
#
/home/taras/work/mozilla-central/xpcom/string/src/nsReadableUtils.cpp: In
function PRBool IsUTF8(const nsACString_internal&):
#
/home/taras/work/mozilla-central/xpcom/string/src/nsReadableUtils.cpp:577:38:
warning: suggest parentheses around && within ||
#
/home/taras/work/mozilla-central/xpcom/string/src/nsReadableUtils.cpp:578:50:
warning: suggest parentheses around && within ||
#
/home/taras/work/mozilla-central/xpcom/string/src/nsReadableUtils.cpp:581:62:
warning: suggest parentheses around && within ||
#
/home/taras/work/mozilla-central/xpcom/string/src/nsReadableUtils.cpp:582:42:
warning: suggest parentheses around && within ||
#
/home/taras/work/mozilla-central/xpcom/string/src/nsReadableUtils.cpp:582:59:
warning: suggest parentheses around && within ||
#
/home/taras/work/mozilla-central/xpcom/string/src/nsSubstring.cpp: In member
function void nsACString_internal::Assign(const
nsACString_internal::char_type*, nsACString_internal::size_type):
#
/home/taras/work/mozilla-central/xpcom/string/src/nsSubstring.cpp:317:72:
error: corrupted profile info: profile data is not flow-consistent
#
/home/taras/work/mozilla-central/xpcom/string/src/nsSubstring.cpp:317:72:
error: corrupted profile info: number of executions for edge 15-16 thought to
be 28335
#
/home/taras/work/mozilla-central/xpcom/string/src/nsSubstring.cpp:317:72:
error: corrupted profile info: number of executions for edge 15-17 thought to
be -1
--
Summary: GCC 4.5.0 fails to PGO mozilla
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tglek at mozilla dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43773
