diff options
| -rw-r--r-- | lib/Sema/SemaDecl.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index 5c1de6aeb8..ba84f7c223 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -1454,7 +1454,13 @@ void Sema::MergeVarDecl(VarDecl *New, LookupResult &Previous) { New->setInvalidDecl(); return; } - + // c99 6.2.2 P4. + // For an identifier declared with the storage-class specifier extern in a + // scope in which a prior declaration of that identifier is visible, if + // the prior declaration specifies internal or external linkage, the linkage + // of the identifier at the later declaration is the same as the linkage + // specified at the prior declaration. + // FIXME. revisit this code. if (New->hasExternalStorage() && Old->getLinkage() == InternalLinkage && New->getDeclContext() == Old->getDeclContext()) |