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XL C/C++ for AIX, V16.1 xlclang++ considers this as a warning instead of error. So we can go ahead and mark this RFE as complete:
$ xlclang++ test.cpp -c
test.cpp:9:7: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
s->x[3] = 0;
^ ~
test.cpp:3:7: note: array 'x' declared here
int x[2];
^
1 warning generated.
$
Due to processing by IBM, this request was reassigned to have the following updated attributes:
Brand - Servers and Systems Software
Product family - Programming Languages
Product - C/C++ Compilers
For recording keeping, the previous attributes were:
Brand - Rational
Product family - Design & development
Product - C/C++ Compilers
I'd like to see this RFE be addressed in an upcoming release of the compiler. Until this issue is addressed we can't use the -qcheck option. Most unfortunate.
This feature will be planned for a future release.
Attachment (Use case): Sample program that shows a problem with -qcheck compiler option that we are experiencing. We'd like the produced error to be a warning rather than severe so that compilation will continue.