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Declarations and definitions REFERENCE - ISO:C90-6.5.1 Storage-Class Specifiers

The "register" storage-class specifier has been applied to the definition of an array, struct or union. This syntax is not always supported in pre-ISO compilers.

For example: 


/*PRQA S 2017,2213,2216,3132,3205,3408,3625 ++*/

struct ST {int a; int b;};

extern void foo(void)
{
    register struct ST stx;          /* Message 3620 and also 2711 */
}

See also:

QA·C Source Code Analyser 8.1.2
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