On Jun 14, 2011, at 5:29 PM, Eli Friedman wrote: > On Mon, Jun 13, 2011 at 11:38 PM, Chris Lattner <[email protected]> wrote: >> Author: lattner >> Date: Tue Jun 14 01:38:10 2011 >> New Revision: 132983 >> >> URL: http://llvm.org/viewvc/llvm-project?rev=132983&view=rev >> Log: >> when compiling in a GNU mode (e.g. gnu99) treat VLAs with a size that can be >> folded to a constant >> as constant size arrays. This has slightly different semantics in some >> insane cases, but allows >> us to accept some constructs that GCC does. Continue to be pedantic in >> -std=c99 and other >> modes. This addressed rdar://8733881 - error "variable-sized object may not >> be initialized"; g++ accepts same code >> >> Modified: >> cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td >> cfe/trunk/lib/Sema/SemaType.cpp >> cfe/trunk/test/Sema/const-eval.c >> cfe/trunk/test/Sema/i-c-e.c >> cfe/trunk/test/Sema/struct-decl.c >> cfe/trunk/test/Sema/typedef-variable-type.c >> cfe/trunk/test/Sema/vla.c >> cfe/trunk/test/SemaCXX/c99-variable-length-array.cpp > > This should probably get added to > http://clang.llvm.org/docs/UsersManual.html#c_modes .
Great idea, I didn't know we had that. Fixed in r133030, thanks! -Chris _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
