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| author | Saul Wold <sgw@linux.intel.com> | 2014-10-10 23:46:16 -0700 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2014-10-11 08:06:52 +0100 |
| commit | 365221f7285c0e392f573deaab3b1e00b12bc293 (patch) | |
| tree | 765350850e425e6beb0e2a0219e5f6e581015998 | |
| parent | 7b9161dd0c475cca6ea7eb507f7c3c51869eb493 (diff) | |
| download | openembedded-core-365221f7285c0e392f573deaab3b1e00b12bc293.tar.gz openembedded-core-365221f7285c0e392f573deaab3b1e00b12bc293.tar.bz2 openembedded-core-365221f7285c0e392f573deaab3b1e00b12bc293.zip | |
gcc: backport patch for gcc bug 61144
This fixes gcc bug 6144, which in my case exhibited itself as a kernel
module that failed to load. This was because static platform_data
structures were being corrupted with the optimiser being set to any
value other than -O0.
Originally-submitted-by: Peter Urbanec <openembedded-devel@urbanec.net>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.9.inc | 1 | ||||
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.9/0056-top-level-reorder_gcc-bug-61144.patch | 31 |
2 files changed, 32 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.9.inc b/meta/recipes-devtools/gcc/gcc-4.9.inc index 25778bd272..9a66cd294f 100644 --- a/meta/recipes-devtools/gcc/gcc-4.9.inc +++ b/meta/recipes-devtools/gcc/gcc-4.9.inc @@ -70,6 +70,7 @@ SRC_URI = "\ file://0053-gcc-fix-segfault-from-calling-free-on-non-malloc-d-a.patch \ file://0054-gcc-Makefile.in-fix-parallel-building-failure.patch \ file://0055-PR-rtl-optimization-61801.patch \ + file://0056-top-level-reorder_gcc-bug-61144.patch \ " SRC_URI[md5sum] = "fddf71348546af523353bd43d34919c1" SRC_URI[sha256sum] = "d334781a124ada6f38e63b545e2a3b8c2183049515a1abab6d513f109f1d717e" diff --git a/meta/recipes-devtools/gcc/gcc-4.9/0056-top-level-reorder_gcc-bug-61144.patch b/meta/recipes-devtools/gcc/gcc-4.9/0056-top-level-reorder_gcc-bug-61144.patch new file mode 100644 index 0000000000..f44893251c --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.9/0056-top-level-reorder_gcc-bug-61144.patch @@ -0,0 +1,31 @@ + +Upstream-Status: Backport + +Originally-submitted-by: Peter Urbanec <openembedded-devel@urbanec.net> +Signed-off-by: Saul Wold <sgw@linux.intel.com> + +--- /dev/null ++++ b/meta/recipes-devtools/gcc/gcc-4.9/0056-top-level-reorder_gcc-bug-61144.patch +@@ -0,0 +1,21 @@ ++--- a/gcc/varpool.c 2014/10/05 02:50:01 215895 +++++ b/gcc/varpool.c 2014/10/05 04:52:19 215896 ++@@ -329,8 +329,16 @@ ++ ++ /* Variables declared 'const' without an initializer ++ have zero as the initializer if they may not be ++- overridden at link or run time. */ ++- if (!DECL_INITIAL (real_decl) +++ overridden at link or run time. +++ +++ It is actually requirement for C++ compiler to optimize const variables +++ consistently. As a GNU extension, do not enfore this rule for user defined +++ weak variables, so we support interposition on: +++ static const int dummy = 0; +++ extern const int foo __attribute__((__weak__, __alias__("dummy"))); +++ */ +++ if ((!DECL_INITIAL (real_decl) +++ || (DECL_WEAK (decl) && !DECL_COMDAT (decl))) ++ && (DECL_EXTERNAL (decl) || decl_replaceable_p (decl))) ++ return error_mark_node; ++ + |