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Subject[tip:x86/build 2/2] kernel/bounds.c:1: error: -mpreferred-stack-boundary=3 is not between 4 and 12
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/build
head: 8f91869766c00622b2eaa8ee567db4f333b78c1a
commit: 8f91869766c00622b2eaa8ee567db4f333b78c1a [2/2] x86/build: Fix stack alignment for CLang
config: x86_64-randconfig-b0-08172108 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
git checkout 8f91869766c00622b2eaa8ee567db4f333b78c1a
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

>> kernel/bounds.c:1: error: -mpreferred-stack-boundary=3 is not between 4 and 12
make[2]: *** [kernel/bounds.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [sub-make] Error 2

vim +1 kernel/bounds.c

1cdf25d7 Christoph Lameter 2008-04-28 @1 /*
1cdf25d7 Christoph Lameter 2008-04-28 2 * Generate definitions needed by the preprocessor.
1cdf25d7 Christoph Lameter 2008-04-28 3 * This code generates raw asm output which is post-processed
1cdf25d7 Christoph Lameter 2008-04-28 4 * to extract and format the required data.
1cdf25d7 Christoph Lameter 2008-04-28 5 */
1cdf25d7 Christoph Lameter 2008-04-28 6

:::::: The code at line 1 was first introduced by commit
:::::: 1cdf25d704f7951d02a04064c97db547d6021872 kbuild: create a way to create preprocessor constants from C expressions

:::::: TO: Christoph Lameter <clameter@sgi.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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