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Using the offsetof macro generates a message for MISRAC2012-Rule-7.2. The check MISRAC++-3 incorrectly requires switch statements to have a default clause. The checks MEM-stack-param, MISRAC2012-Rule-1.3_s, MISRAC2012-Rule-18.6_d, and CERT-DC元0-C_e erroneously consider the address of a pointer parameter that is accessed with the subscript operator to be a stack address. Initializing an aggregate or union with a struct or union field can incorrectly generate a MISRA2012-Rule-9.2 message, even if the initializer is properly enclosed in braces.
![iar embedded workbench for arm ewarm iar embedded workbench for arm ewarm](https://www.iar.com/contentassets/2c529cae835f485c8924e52f565ba411/9.30.1.png)
This can happen if the optimization is correct for a non-volatile member, which is the case if the load is preceded by a store of a known value to the same address.
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The problem can also trigger if this pattern occurs after inlining.Īt medium optimization or higher, an unaligned load of a volatile member can be optimized away as if the access was not volatile. On optimization level High, the compiler can generate incorrect code when a pointer-type field in a struct is dereferenced, incremented, and then updated using the value of the original dereference as in the example below. The compiler can exit with an internal error when compiling code where a volatile pointer is used to access a field in a non-volatile struct. : assertion failed at: "…\lower_init.c", line 18985" When the C++17 feature constexpr if is used in a C++ constructor or destructor, the compiler can terminate with an internal error: Release notes for IAR Embedded Workbench for Arm version 8.50.9 IAR Systems, a future-proof supplier of software tools and services for embedded development, announces the availability of a major update of its development tools for ARM. IAR Embedded Workbench for ARM version 8.50.9 1.2 Gb
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