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| author | David Chisnall <csdavec@swan.ac.uk> | 2012-03-16 12:15:37 +0000 |
|---|---|---|
| committer | David Chisnall <csdavec@swan.ac.uk> | 2012-03-16 12:15:37 +0000 |
| commit | 07518f249f919b6bb7985018109cc45d99018fc8 (patch) | |
| tree | 6c58409c2c5575dacbf93dc3cccda00159bfc94a /clang/lib/Sema/SemaDecl.cpp | |
| parent | 8a5070213ad10bb9840e3329533333c23188361d (diff) | |
| download | bcm5719-llvm-07518f249f919b6bb7985018109cc45d99018fc8.tar.gz bcm5719-llvm-07518f249f919b6bb7985018109cc45d99018fc8.zip | |
Warn on flexible array members when in C89 mode, with -pedantic.
This fixes PR 4307.
Patch by Eitan Adler!
llvm-svn: 152918
Diffstat (limited to 'clang/lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index ab1a1b40251..574c18c2e39 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -9483,6 +9483,13 @@ void Sema::ActOnFields(Scope* S, else if (Fields.size() == 1) Diag(FD->getLocation(), diag::ext_flexible_array_empty_aggregate_gnu) << FD->getDeclName() << Record->getTagKind(); + } else if (!getLangOpts().C99) { + if (Record->isUnion()) + Diag(FD->getLocation(), diag::ext_flexible_array_union_gnu) + << FD->getDeclName(); + else + Diag(FD->getLocation(), diag::ext_c99_flexible_array_member) + << FD->getDeclName() << Record->getTagKind(); } else if (NumNamedMembers < 1) { Diag(FD->getLocation(), diag::err_flexible_array_empty_struct) << FD->getDeclName(); |
