https://bugs.llvm.org/show_bug.cgi?id=44532
Bug ID: 44532
Summary: clang-cl will incorrectly warn on enum size
Product: clang
Version: 9.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Driver
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
clang-cl will warn about enum representation on windows. On Linux, everything
works fine: https://godbolt.org/z/DpbxB3
AFAIU as per the standard the enum will have the type needed to fit the member,
so I don't understand the warning.
>clang-cl -c -std:c++17 -Weverything a.cpp
a.cpp(3,5): warning: enumerator value is not representable in the underlying
type 'int' [-Wmicrosoft-enum-value]
e = 0xFFFFFFFFL
^
1 warning generated.
C:\Users\tiagoma\AppData\Local\Temp\temp>type a.cpp
enum
{
e = 0xFFFFFFFFL
};
>clang-cl -c -std:c++17 -Weverything a.cpp
a.cpp(3,5): warning: enumerator value is not representable in the underlying
type 'int' [-Wmicrosoft-enum-value]
e = 0xFFFFFFFFL
^
1 warning generated.
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