diff options
Diffstat (limited to 'clang/lib/Sema/SemaTemplate.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaTemplate.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp index e6bd77d208a..3dd02430919 100644 --- a/clang/lib/Sema/SemaTemplate.cpp +++ b/clang/lib/Sema/SemaTemplate.cpp @@ -2488,7 +2488,14 @@ bool Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param, // Check that we don't overflow the template parameter type. unsigned AllowedBits = Context.getTypeSize(IntegerType); - if (Value.getActiveBits() > AllowedBits) { + unsigned RequiredBits; + if (IntegerType->isUnsignedIntegerType()) + RequiredBits = Value.getActiveBits(); + else if (Value.isUnsigned()) + RequiredBits = Value.getActiveBits() + 1; + else + RequiredBits = Value.getMinSignedBits(); + if (RequiredBits > AllowedBits) { Diag(Arg->getSourceRange().getBegin(), diag::err_template_arg_too_large) << Value.toString(10) << Param->getType() |
