IPA ICF fallout: fox for libasan and pr43077-1.c

IPA ICF fallout: fox for libasan and pr43077-1.c

[Martin Liška]

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Hello.

After IRC discussion with Jakub, I disable IPA ICF for ASAN.
Second part of the patch contains fix for pr43077-1.c.

Considered as pre-approved.
Thanks,
Martin

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gcc/testsuite/ChangeLog:

2014-10-16  Martin Liska  <mliska@suse.cz>

	* gcc.dg/guality/pr43077-1.c: IPA ICF disabled
	to match defined expectations.

libsanitizer/ChangeLog:

2014-10-16  Martin Liska  <mliska@suse.cz>

	* asan/Makefile.am: IPA ICF pass is disabled.
	* asan/Makefile.in: Likewise.


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diff --git a/gcc/testsuite/gcc.dg/guality/pr43077-1.c b/gcc/testsuite/gcc.dg/guality/pr43077-1.c
index d8d5eeb..84bd59e 100644
--- a/gcc/testsuite/gcc.dg/guality/pr43077-1.c
+++ b/gcc/testsuite/gcc.dg/guality/pr43077-1.c
@@ -1,6 +1,6 @@
 /* PR debug/43077 */
 /* { dg-do run } */
-/* { dg-options "-g" } */
+/* { dg-options "-g -fno-ipa-icf" } */
 
 int varb;
 
diff --git a/libsanitizer/asan/Makefile.am b/libsanitizer/asan/Makefile.am
index 12f20ae..d499c72 100644
--- a/libsanitizer/asan/Makefile.am
+++ b/libsanitizer/asan/Makefile.am
@@ -7,7 +7,7 @@ DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D
 if USING_MAC_INTERPOSE
 DEFS += -DMAC_INTERPOSE_FUNCTIONS -DMISSING_BLOCKS_SUPPORT
 endif
-AM_CXXFLAGS = -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic -Wno-long-long  -fPIC -fno-builtin -fno-exceptions -fno-rtti -fomit-frame-pointer -funwind-tables -fvisibility=hidden -Wno-variadic-macros
+AM_CXXFLAGS = -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic -Wno-long-long  -fPIC -fno-builtin -fno-exceptions -fno-rtti -fomit-frame-pointer -funwind-tables -fvisibility=hidden -Wno-variadic-macros -fno-ipa-icf
 AM_CXXFLAGS += $(LIBSTDCXX_RAW_CXX_CXXFLAGS)
 ACLOCAL_AMFLAGS = -I $(top_srcdir) -I $(top_srcdir)/config
 
diff --git a/libsanitizer/asan/Makefile.in b/libsanitizer/asan/Makefile.in
index 862eec4..00a614b 100644
--- a/libsanitizer/asan/Makefile.in
+++ b/libsanitizer/asan/Makefile.in
@@ -269,7 +269,8 @@ gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
 AM_CXXFLAGS = -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic \
 	-Wno-long-long -fPIC -fno-builtin -fno-exceptions -fno-rtti \
 	-fomit-frame-pointer -funwind-tables -fvisibility=hidden \
-	-Wno-variadic-macros $(LIBSTDCXX_RAW_CXX_CXXFLAGS)
+	-Wno-variadic-macros -fno-ipa-icf \
+	$(LIBSTDCXX_RAW_CXX_CXXFLAGS)
 ACLOCAL_AMFLAGS = -I $(top_srcdir) -I $(top_srcdir)/config
 toolexeclib_LTLIBRARIES = libasan.la
 nodist_toolexeclib_HEADERS = libasan_preinit.o