diff options
Diffstat (limited to 'lib/Sema/SemaTemplateVariadic.cpp')
-rw-r--r-- | lib/Sema/SemaTemplateVariadic.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Sema/SemaTemplateVariadic.cpp b/lib/Sema/SemaTemplateVariadic.cpp index 473dcb7d1f..dc5013c25d 100644 --- a/lib/Sema/SemaTemplateVariadic.cpp +++ b/lib/Sema/SemaTemplateVariadic.cpp @@ -456,6 +456,10 @@ bool Sema::CheckParameterPacksForExpansion(SourceLocation EllipsisLoc, std::pair<IdentifierInfo *, SourceLocation> FirstPack; bool HaveFirstPack = false; + // FIXME: Variadic templates. Even if we don't expand, we'd still like to + // return the number of expansions back to the caller, perhaps as an + // llvm::Optional, so that it can be embedded in the pack expansion. This + // is important for the multi-level substitution case. for (unsigned I = 0; I != NumUnexpanded; ++I) { // Compute the depth and index for this parameter pack. unsigned Depth; |