[llvm-bugs] [Bug 42130] New: Support -Wbool-compare compiler flag
via llvm-bugs
llvm-bugs at lists.llvm.org
Tue Jun 4 20:36:50 PDT 2019
https://bugs.llvm.org/show_bug.cgi?id=42130
Bug ID: 42130
Summary: Support -Wbool-compare compiler flag
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangbugs at nondot.org
Reporter: joeloser93 at gmail.com
CC: blitzrakete at gmail.com, dgregor at apple.com,
erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
richard-llvm at metafoo.co.uk
GCC supports -Wbool-compare compiler flag as seen from
https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
For portability, it would be nice if Clang also supported -Wbool-compare flag.
Sample code at https://wandbox.org/permlink/WO2fLz8XtrLpXhu6 shows GCC warning
with -Wbool-compare and Clang warns with
-Wtautological-constant-out-of-range-compare.
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