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Re: [Xen-devel] [PATCH 4/4] xen/arm: correctly handle an empty array of platform descs.

On Tue, 2013-05-14 at 15:54 +0100, Ian Campbell wrote:
> > What compiler version and switches were you using for the case
> > where you spotted bad code to be generated?
> gcc-linaro-aarch64-linux-gnu-4.7-2013.01-20130125_linux doing a standard
> arm64 build of Xen.


aarch64-linux-gnu-gcc -O1 -fno-omit-frame-pointer  -g
-fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes
-Wdeclaration-after-statement -Wno-unused-but-set-variable
-Wno-unused-local-typedefs   -fno-builtin -fno-common -Wredundant-decls
-iwithprefix include -Werror -Wno-pointer-arith -pipe
-I/local/scratch/ianc/devel/arm/xen.git/xen/include -fno-stack-protector
-fno-exceptions -Wnested-externs -mcpu=generic
-DGCC_HAS_VISIBILITY_ATTRIBUTE -fno-optimize-sibling-calls
-DEARLY_PRINTK -DEARLY_PRINTK_INC=\"debug-pl011.inc\" -g -D__XEN__
-include /local/scratch/ianc/devel/arm/xen.git/xen/include/xen/config.h
-DVERBOSE -fno-omit-frame-pointer -DCONFIG_FRAME_POINTER -MMD
-MF .platform.o.d -c platform.c -o platform.o

Interestingly that includes -fno-strict-aliasing, which comes from the
top-level Config.mk

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