[jira] [Created] (THRIFT-3831) build of test/cpp/src/TestClient.cpp fails with newer gcc on platforms with unsigned char due to narrowing conversions

Tue, 17 May 2016 08:46:10 -0700 

Cody Schafer created THRIFT-3831:
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             Summary: build of test/cpp/src/TestClient.cpp fails with newer gcc 
on platforms with unsigned char due to narrowing conversions
                 Key: THRIFT-3831
                 URL: https://issues.apache.org/jira/browse/THRIFT-3831
             Project: Thrift
          Issue Type: Bug
            Reporter: Cody Schafer
         Attachments: 0001-test-cpp-explicitly-use-signed-char.patch

Specifically, we get a bunch of errors like:

            test/cpp/src/TestClient.cpp:404:15: error: narrowing conversion of 
'-1' from 'int' to 'char' inside { } [-Wnarrowing]

gcc faq talks about this: https://gcc.gnu.org/wiki/FAQ#Wnarrowing

I've only seen this in gcc-6, but the faq seems to indicate it could occur in 
gcc-5 as well.



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