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* Prior to adding the new "expected-no-diagnostics" directive to ↵Andy Gibbs2012-10-191-0/+1
| | | | | | VerifyDiagnosticConsumer, make the necessary adjustment to 580 test-cases which will henceforth require this new directive. llvm-svn: 166280
* Expand the coverage of the warning for constants on the RHS of logical operands:Chandler Carruth2011-05-311-1/+1
| | | | | | | | | | | | return f() || -1; where the user meant to write '|'. This bootstraps without any additional warnings. Patch by Richard Trieu. llvm-svn: 132327
* turn down the logical bitwise confusion warning to not warn Chris Lattner2010-07-241-1/+1
| | | | | | | | | when the RHS of the ||/&& is ever 0 or 1. This handles a variety of creative idioms for "true" used in C programs and fixes many false positives at the expense of a few false negatives. This fixes rdar://8230351. llvm-svn: 109314
* Add a warning to catch a bug recently caught by code review, like this:Chris Lattner2010-07-131-1/+1
| | | | | | | | | | | t2.c:2:12: warning: use of logical && with constant operand; switch to bitwise & or remove constant [-Wlogical-bitwise-confusion] return x && 4; ^ ~ wording improvement suggestions are welcome. llvm-svn: 108260
* Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.Daniel Dunbar2009-12-151-1/+1
| | | | | | | | | - This is designed to make it obvious that %clang_cc1 is a "test variable" which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it can be useful to redefine what gets run as 'clang -cc1' (for example, to set a default target). llvm-svn: 91446
* Avoid assert-crash in a case where the expression passed to EmitConstantExprEli Friedman2009-11-141-0/+6
legitimately has side-effects (and needs to be generated as a non-constant). llvm-svn: 88767
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