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by MereInterest
3889 days ago
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It is allowed under the "as if" rule. If no visible aspects of the program are changed by an optimization, then it is allowed. The value stored in memory is not considered to be a visible aspect, and so the compiler is allowed to modify which memory is changed. It's the same as inlining a function. The standard says that a function call is a function call. Compilers are still allowed to inline the call, even if it has not been specifically marked as "inline". |
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