3 Commits

Author	SHA1	Message	Date
Aaron Ballman	fb6deeb984	Refactor the way we handle diagnosing unused expression results. ... Rather than sprinkle calls to DiagnoseUnusedExprResult() around in places where we want diagnostics, we now diagnose unused expression statements and full expressions in a more generic way when acting on the final expression statement. This results in more appropriate diagnostics for [[nodiscard]] where we were previously lacking them, such as when the body of a for loop is not a compound statement. This patch fixes PR39837. llvm-svn: 350404	2019-01-04 16:58:14 +00:00
Hans Wennborg	7d928cc596	Make -std=c++17 an alias of -std=c++1z ... As suggested on PR33912. Trying to keep this small to make it easy to merge to the 5.0 branch. We can do a follow-up with more thorough renaming (diagnostic text, options, ids, etc.) later. (For C++14 this was done in r215982, and I think a smaller patch for the 3.5 branch: http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20140818/113013.html) Differential Revision: https://reviews.llvm.org/D36532 llvm-svn: 310516	2017-08-09 20:12:53 +00:00
Richard Smith	a547eb27fa	P0305R0: Semantic analysis and code generation for C++17 init-statement for 'if' and 'switch': ... if (stmt; condition) { ... } Patch by Anton Bikineev! Some minor formatting and comment tweets by me. llvm-svn: 275350	2016-07-14 00:11:03 +00:00