[xen master] docs/misra: document the usage of array range initializers

[patchbot@xxxxxxx]

commit 1f8a6a99b225d34cf608f47b2938092e310f9e03
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Mon Jul 24 18:19:19 2023 +0200
Commit:     Stefano Stabellini <stefano.stabellini@xxxxxxx>
CommitDate: Tue Jul 25 12:40:24 2023 -0700

    docs/misra: document the usage of array range initializers
    
    The usage of a documented GNU extension that allows a range of elements
    in an array to be initalized to the same value using a designated
    initalizer is added to this document, to fully comply with
    MISRA C:2012 Rule 1.1.
    
    Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 docs/misra/C-language-toolchain.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/misra/C-language-toolchain.rst 
b/docs/misra/C-language-toolchain.rst
index 8651f59118..785aed1eaf 100644
--- a/docs/misra/C-language-toolchain.rst
+++ b/docs/misra/C-language-toolchain.rst
@@ -196,6 +196,10 @@ The table columns are as follows:
      - X86_64
      - See Section "6.9 128-bit Integers" of GCC_MANUAL.
 
+   * - Designated initializer for a range of elements
+     - ARM64, X86_64
+     - See Section "6.29 Designated Initializers" of GCC_MANUAL
+
 
 Translation Limits
 __________________
--
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