[Mesa-dev] [Bug 106801] vma_random_test.cpp:239:18: error: non-constant-expression cannot be narrowed from type 'unsigned long' to 'uint_fast32_t' (aka 'unsigned int') in initializer list [-Wc++11-narrowing]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106801

            Bug ID: 106801
           Summary: vma_random_test.cpp:239:18: error:
                    non-constant-expression cannot be narrowed from type
                    'unsigned long' to 'uint_fast32_t' (aka 'unsigned
                    int') in initializer list [-Wc++11-narrowing]
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Mac OS X (All)
            Status: NEW
          Keywords: bisected, regression
          Severity: normal
          Priority: medium
         Component: Other
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: vlee at freedesktop.org
        QA Contact: mesa-dev at lists.freedesktop.org
                CC: bugzilla at sandyscott.net, jason at jlekstrand.net

CXX      vma_random_test-vma_random_test.o
vma_random_test.cpp:239:18: error: non-constant-expression cannot be narrowed
from type 'unsigned long' to 'uint_fast32_t' (aka 'unsigned int') in
initializer list [-Wc++11-narrowing]
   random_test r{seed};
                 ^~~~
vma_random_test.cpp:239:18: note: insert an explicit cast to silence this issue
   random_test r{seed};
                 ^~~~
                 static_cast<uint_fast32_t>( )

commit 943fecc5691b55b8ce8740d133dd70614effb72d
Author: Scott D Phillips <scott.d.phillips at intel.com>
Date:   Fri May 4 17:11:13 2018 -0700

    util: Add a randomized test for the virtual memory allocator

    The test pseudo-randomly makes allocations and deallocations with
    the virtual memory allocator and checks that the results are
    consistent. Specifically, we test that:

     * no result from the allocator overlaps an already allocated range
     * allocated memory fulfills the stated alignment requirement
     * a failed result from the allocator could not have been fulfilled
     * memory freed to the allocator can later be allocated again

    v2: - fix if() in test() to actually run fill()
    v3: - add c++11 build flag (Jason)
        - test the full 64-bit range (Jason)

    Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

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