[llvm-bugs] [Bug 27444] New: Do not supply -Wbitwise-op-parentheses by default

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27444

            Bug ID: 27444
           Summary: Do not supply -Wbitwise-op-parentheses by default
           Product: clang
           Version: 3.7
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: fuzxxl at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

clang seems to have -Wbitwise-op-parentheses enabled by default, causing
hundreds of suprious warnings to appear when compiling perfectly fine code. I
request that clang should not warn about things like "&& within ||" or "&
within |" by default as these things appear often in normal C code and are
usually not an indication of incorrect code. After all, most C programmers are
able to remember that & has higher precedence than | by analogy to * and + as
has been the case in mathematics since the 18th century.

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