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| author | John McCall <rjmccall@apple.com> | 2009-11-07 09:03:53 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2009-11-07 09:03:53 +0000 |
| commit | dc767a1f560ae936a08eeead8164be6f82b6b0f7 (patch) | |
| tree | 343f2d8e112d7fc5f54e4c56431d0697daf82089 /lib/Sema/Sema.cpp | |
| parent | 6a8b7f3f62119f9d8659965ad36fa58059054c46 (diff) | |
Support -Wshorten-64-to-32 for integer types only, which seems to satisfy the
core requirements. Fixes rdar://problem/6389954
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86364 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/Sema.cpp')
| -rw-r--r-- | lib/Sema/Sema.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp index 951856db71..38063ac018 100644 --- a/lib/Sema/Sema.cpp +++ b/lib/Sema/Sema.cpp @@ -665,6 +665,10 @@ static void CheckImplicitConversion(Sema &S, Expr *E, QualType T) { if (IsExprValueWithinWidth(S.Context, E, TargetWidth)) return; + // People want to build with -Wshorten-64-to-32 and not -Wconversion + // and by god we'll let them. + if (SourceWidth == 64 && TargetWidth == 32) + return DiagnoseImpCast(S, E, T, diag::warn_impcast_integer_64_32); return DiagnoseImpCast(S, E, T, diag::warn_impcast_integer_precision); } |