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Intel Inspector: Uninitialized memory access for range loop

Hi all,

I use following Software:

* Microsoft Windows 
* Intel® Parallel Studio XE Composer Edition for C++ Windows* 2016
* Intel Inspector Xe 2016

Intel Inspector detects uninitialized memory access error in function calls, which operate with range [first,last). If these codes are replaced with for loop, then everything is OK. Some snippets of defective codes:

std::all_of((uint8_t*)vector_type.data(),

                           (uint8_t*)(vector_type.data() + vector_type.size()),

                           [](uint8_t a) { return 0 == a; })

and

std::vector<uint8_t>(&var_name[2],

                            &var_name[var_name.size() - 60])

var_name.size if bigger than 100.

 

Can anyone explain me the reason of this error, pls?

 

WBR,

Dilshod

0 Kudos
2 Replies
James_T_Intel
Moderator
118 Views

Moved to the correct forum.

Kirill_R_Intel
Employee
118 Views

I've submitted Inspector bug for the issue, looks like false positive.

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