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authorKhem Raj <raj.khem@gmail.com>2015-07-09 10:52:39 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-07-12 22:55:39 +0100
commit671a00b977e26ed460ec21d29055e0c32a195075 (patch)
treeab1d3b39c585bd278ec349868738feb4030cf25f /meta
parentee9e365eca225a1885ca1ebf41912768394cb9f2 (diff)
downloadpoky-671a00b977e26ed460ec21d29055e0c32a195075.tar.gz
gcc-5: Backport patches for -Wno-narrowing behaviour fixes
Chromium/CEF reveals these warnings which are then treated as errors which has been fixed on gcc_5 branch upsteam. We backport the relevant commits Change-Id: I088a1480d49cdb439c72f0e159bee6de8ba94258 (From OE-Core rev: a8a5c58ec753a8bddc824eb15b06ad4cc8bd021e) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta')
-rw-r--r--meta/recipes-devtools/gcc/gcc-5.1.inc8
-rw-r--r--meta/recipes-devtools/gcc/gcc-5.1/backport/0001-PR65801.patch89
-rw-r--r--meta/recipes-devtools/gcc/gcc-5.1/backport/0002-PR65858.patch63
-rw-r--r--meta/recipes-devtools/gcc/gcc-5.1/backport/0003-PR66007.patch73
4 files changed, 232 insertions, 1 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-5.1.inc b/meta/recipes-devtools/gcc/gcc-5.1.inc
index 1d64f9e4e4..255e9573fd 100644
--- a/meta/recipes-devtools/gcc/gcc-5.1.inc
+++ b/meta/recipes-devtools/gcc/gcc-5.1.inc
@@ -10,7 +10,7 @@ PV = "5.1.0"
10 10
11BINV = "5.1.0" 11BINV = "5.1.0"
12 12
13FILESEXTRAPATHS =. "${FILE_DIRNAME}/gcc-5.1:" 13FILESEXTRAPATHS =. "${FILE_DIRNAME}/gcc-5.1:${FILE_DIRNAME}/gcc-5.1/backport:"
14 14
15DEPENDS =+ "mpfr gmp libmpc zlib" 15DEPENDS =+ "mpfr gmp libmpc zlib"
16NATIVEDEPS = "mpfr-native gmp-native libmpc-native zlib-native" 16NATIVEDEPS = "mpfr-native gmp-native libmpc-native zlib-native"
@@ -32,6 +32,7 @@ SRC_URI[sha256sum] = "b7dafdf89cbb0e20333dbf5b5349319ae06e3d1a30bf3515b5488f7e89
32 32
33SRC_URI = "\ 33SRC_URI = "\
34 ${BASEURI} \ 34 ${BASEURI} \
35 ${BACKPORTS} \
35 file://0001-gcc-4.3.1-ARCH_FLAGS_FOR_TARGET.patch \ 36 file://0001-gcc-4.3.1-ARCH_FLAGS_FOR_TARGET.patch \
36 file://0002-uclibc-conf.patch \ 37 file://0002-uclibc-conf.patch \
37 file://0003-gcc-uclibc-locale-ctype_touplow_t.patch \ 38 file://0003-gcc-uclibc-locale-ctype_touplow_t.patch \
@@ -72,6 +73,11 @@ SRC_URI = "\
72 file://0038-fix-g++-sysroot.patch \ 73 file://0038-fix-g++-sysroot.patch \
73 " 74 "
74 75
76BACKPORTS = "\
77 file://0001-PR65801.patch \
78 file://0002-PR65858.patch \
79 file://0003-PR66007.patch \
80 "
75#S = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/gcc-${SNAP}" 81#S = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/gcc-${SNAP}"
76S = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/gcc-${PV}" 82S = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/gcc-${PV}"
77B = "${WORKDIR}/gcc-${PV}/build.${HOST_SYS}.${TARGET_SYS}" 83B = "${WORKDIR}/gcc-${PV}/build.${HOST_SYS}.${TARGET_SYS}"
diff --git a/meta/recipes-devtools/gcc/gcc-5.1/backport/0001-PR65801.patch b/meta/recipes-devtools/gcc/gcc-5.1/backport/0001-PR65801.patch
new file mode 100644
index 0000000000..9474287033
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-5.1/backport/0001-PR65801.patch
@@ -0,0 +1,89 @@
1From 346ee8b5c2bf3bf0f0e681b2df5755f299aa1a68 Mon Sep 17 00:00:00 2001
2From: paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>
3Date: Thu, 30 Apr 2015 16:31:36 +0000
4Subject: [PATCH] /cp 2015-04-30 Paolo Carlini <paolo.carlini@oracle.com>
5
6 PR c++/65801
7 * typeck2.c (check_narrowing): In C++11 mode too, -Wno-narrowing
8 suppresses the diagnostic.
9
102015-04-30 Paolo Carlini <paolo.carlini@oracle.com>
11
12 PR c++/65801
13 * doc/invoke.texi ([-Wnarrowing]): Update.
14
15/testsuite
162015-04-30 Paolo Carlini <paolo.carlini@oracle.com>
17
18 PR c++/65801
19 * g++.dg/cpp0x/Wnarrowing2.C: New.
20
21
22git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@222636 138bc75d-0d04-0410-961f-82ee72b054a4
23---
24Upstream-Status: Backport
25Signed-off-by: Khem Raj <raj.khem@gmail.com>
26
27 gcc/ChangeLog | 5 +++++
28 gcc/cp/ChangeLog | 6 ++++++
29 gcc/cp/typeck2.c | 10 +++++++---
30 gcc/doc/invoke.texi | 8 ++++----
31 gcc/testsuite/ChangeLog | 5 +++++
32 gcc/testsuite/g++.dg/cpp0x/Wnarrowing2.C | 5 +++++
33 6 files changed, 32 insertions(+), 7 deletions(-)
34 create mode 100644 gcc/testsuite/g++.dg/cpp0x/Wnarrowing2.C
35
36diff --git a/gcc/cp/typeck2.c b/gcc/cp/typeck2.c
37index 80a6939..884957b 100644
38--- a/gcc/cp/typeck2.c
39+++ b/gcc/cp/typeck2.c
40@@ -957,9 +957,13 @@ check_narrowing (tree type, tree init, tsubst_flags_t complain)
41 }
42 }
43 else if (complain & tf_error)
44- error_at (EXPR_LOC_OR_LOC (init, input_location),
45- "narrowing conversion of %qE from %qT to %qT inside { }",
46- init, ftype, type);
47+ {
48+ global_dc->pedantic_errors = 1;
49+ pedwarn (EXPR_LOC_OR_LOC (init, input_location), OPT_Wnarrowing,
50+ "narrowing conversion of %qE from %qT to %qT inside { }",
51+ init, ftype, type);
52+ global_dc->pedantic_errors = flag_pedantic_errors;
53+ }
54 }
55
56 return cxx_dialect == cxx98 || ok;
57diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
58index 520c2c5..4ef8f7f 100644
59--- a/gcc/doc/invoke.texi
60+++ b/gcc/doc/invoke.texi
61@@ -2703,10 +2703,10 @@ int i = @{ 2.2 @}; // error: narrowing from double to int
62
63 This flag is included in @option{-Wall} and @option{-Wc++11-compat}.
64
65-With @option{-std=c++11}, @option{-Wno-narrowing} suppresses for
66-non-constants the diagnostic required by the standard. Note that this
67-does not affect the meaning of well-formed code; narrowing conversions
68-are still considered ill-formed in SFINAE context.
69+With @option{-std=c++11}, @option{-Wno-narrowing} suppresses the diagnostic
70+required by the standard. Note that this does not affect the meaning
71+of well-formed code; narrowing conversions are still considered
72+ill-formed in SFINAE context.
73
74 @item -Wnoexcept @r{(C++ and Objective-C++ only)}
75 @opindex Wnoexcept
76diff --git a/gcc/testsuite/g++.dg/cpp0x/Wnarrowing2.C b/gcc/testsuite/g++.dg/cpp0x/Wnarrowing2.C
77new file mode 100644
78index 0000000..fc806f9
79--- /dev/null
80+++ b/gcc/testsuite/g++.dg/cpp0x/Wnarrowing2.C
81@@ -0,0 +1,5 @@
82+// PR c++/65801
83+// { dg-do compile { target c++11 } }
84+// { dg-options "-Wno-narrowing" }
85+
86+static struct zai { unsigned int x; } x = {-1};
87--
882.1.4
89
diff --git a/meta/recipes-devtools/gcc/gcc-5.1/backport/0002-PR65858.patch b/meta/recipes-devtools/gcc/gcc-5.1/backport/0002-PR65858.patch
new file mode 100644
index 0000000000..e7a4fd792c
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-5.1/backport/0002-PR65858.patch
@@ -0,0 +1,63 @@
1From 82e461dc9d53927de7dae667880b63c2d497172d Mon Sep 17 00:00:00 2001
2From: paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>
3Date: Fri, 1 May 2015 18:47:55 +0000
4Subject: [PATCH] /cp 2015-05-01 Paolo Carlini <paolo.carlini@oracle.com>
5 Prathamesh Kulharni <prathamesh.kulkarni@linaro.org>
6
7 PR c++/65858
8 * typeck2.c (check_narrowing): Set ok = true when pedwarn returns
9 false.
10
11/testsuite
122015-05-01 Paolo Carlini <paolo.carlini@oracle.com>
13 Prathamesh Kulharni <prathamesh.kulkarni@linaro.org>
14
15 PR c++/65858
16 * g++.dg/cpp0x/Wnarrowing3.C: New.
17
18
19git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@222700 138bc75d-0d04-0410-961f-82ee72b054a4
20---
21Upstream-Status: Backport
22Signed-off-by: Khem Raj <raj.khem@gmail.com>
23
24 gcc/cp/ChangeLog | 7 +++++++
25 gcc/cp/typeck2.c | 7 ++++---
26 gcc/testsuite/ChangeLog | 6 ++++++
27 gcc/testsuite/g++.dg/cpp0x/Wnarrowing3.C | 6 ++++++
28 4 files changed, 23 insertions(+), 3 deletions(-)
29 create mode 100644 gcc/testsuite/g++.dg/cpp0x/Wnarrowing3.C
30
31diff --git a/gcc/cp/typeck2.c b/gcc/cp/typeck2.c
32index 884957b..9a491aa 100644
33--- a/gcc/cp/typeck2.c
34+++ b/gcc/cp/typeck2.c
35@@ -959,9 +959,10 @@ check_narrowing (tree type, tree init, tsubst_flags_t complain)
36 else if (complain & tf_error)
37 {
38 global_dc->pedantic_errors = 1;
39- pedwarn (EXPR_LOC_OR_LOC (init, input_location), OPT_Wnarrowing,
40- "narrowing conversion of %qE from %qT to %qT inside { }",
41- init, ftype, type);
42+ if (!pedwarn (EXPR_LOC_OR_LOC (init, input_location), OPT_Wnarrowing,
43+ "narrowing conversion of %qE from %qT to %qT "
44+ "inside { }", init, ftype, type))
45+ ok = true;
46 global_dc->pedantic_errors = flag_pedantic_errors;
47 }
48 }
49diff --git a/gcc/testsuite/g++.dg/cpp0x/Wnarrowing3.C b/gcc/testsuite/g++.dg/cpp0x/Wnarrowing3.C
50new file mode 100644
51index 0000000..d2dd383
52--- /dev/null
53+++ b/gcc/testsuite/g++.dg/cpp0x/Wnarrowing3.C
54@@ -0,0 +1,6 @@
55+// PR c++/65858
56+// { dg-do compile { target c++11 } }
57+// { dg-require-effective-target lto }
58+// { dg-options "-flto -Wno-narrowing" }
59+
60+int x { 0.5 };
61--
622.1.4
63
diff --git a/meta/recipes-devtools/gcc/gcc-5.1/backport/0003-PR66007.patch b/meta/recipes-devtools/gcc/gcc-5.1/backport/0003-PR66007.patch
new file mode 100644
index 0000000000..7c1a19cd7f
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-5.1/backport/0003-PR66007.patch
@@ -0,0 +1,73 @@
1From 3b1253116b7cb98da33c997bffa5fa2616aee40a Mon Sep 17 00:00:00 2001
2From: paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>
3Date: Mon, 4 May 2015 20:59:03 +0000
4Subject: [PATCH] /cp 2015-05-04 Paolo Carlini <paolo.carlini@oracle.com>
5 Jakub Jelinek <jakub@redhat.com>
6
7 PR c++/66007
8 * typeck2.c (check_narrowing): Check by-hand that the pedwarn didn't
9 result in an actual error.
10
11/testsuite
122015-05-04 Paolo Carlini <paolo.carlini@oracle.com>
13 Jakub Jelinek <jakub@redhat.com>
14
15 PR c++/66007
16 * g++.dg/cpp0x/Wnarrowing4.C: New.
17
18
19git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@222779 138bc75d-0d04-0410-961f-82ee72b054a4
20---
21Upstream-Status: Backport
22Signed-off-by: Khem Raj <raj.khem@gmail.com>
23
24 gcc/cp/ChangeLog | 7 +++++++
25 gcc/cp/typeck2.c | 8 +++++---
26 gcc/testsuite/ChangeLog | 6 ++++++
27 gcc/testsuite/g++.dg/cpp0x/Wnarrowing4.C | 14 ++++++++++++++
28 4 files changed, 32 insertions(+), 3 deletions(-)
29 create mode 100644 gcc/testsuite/g++.dg/cpp0x/Wnarrowing4.C
30
31diff --git a/gcc/cp/typeck2.c b/gcc/cp/typeck2.c
32index 9a491aa..c0df823 100644
33--- a/gcc/cp/typeck2.c
34+++ b/gcc/cp/typeck2.c
35@@ -958,10 +958,12 @@ check_narrowing (tree type, tree init, tsubst_flags_t complain)
36 }
37 else if (complain & tf_error)
38 {
39+ int savederrorcount = errorcount;
40 global_dc->pedantic_errors = 1;
41- if (!pedwarn (EXPR_LOC_OR_LOC (init, input_location), OPT_Wnarrowing,
42- "narrowing conversion of %qE from %qT to %qT "
43- "inside { }", init, ftype, type))
44+ pedwarn (EXPR_LOC_OR_LOC (init, input_location), OPT_Wnarrowing,
45+ "narrowing conversion of %qE from %qT to %qT "
46+ "inside { }", init, ftype, type);
47+ if (errorcount == savederrorcount)
48 ok = true;
49 global_dc->pedantic_errors = flag_pedantic_errors;
50 }
51diff --git a/gcc/testsuite/g++.dg/cpp0x/Wnarrowing4.C b/gcc/testsuite/g++.dg/cpp0x/Wnarrowing4.C
52new file mode 100644
53index 0000000..7defce3
54--- /dev/null
55+++ b/gcc/testsuite/g++.dg/cpp0x/Wnarrowing4.C
56@@ -0,0 +1,14 @@
57+// PR c++/66007
58+// { dg-do run { target c++11 } }
59+// { dg-options "-Wno-error=narrowing" }
60+
61+extern "C" void abort();
62+
63+int main()
64+{
65+ unsigned foo[] = { 1, -1, 3 };
66+ if (foo[0] != 1 || foo[1] != __INT_MAX__ * 2U + 1 || foo[2] != 3)
67+ abort();
68+}
69+
70+// { dg-prune-output "narrowing conversion" }
71--
722.1.4
73
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