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* Factor out (some of) the checking for invalid forms of pointerChandler Carruth2011-06-271-1/+1
| | | | | | | | | | | | | | | | | | | arithmetic into a couple of common routines. Use these to make the messages more consistent in the various contexts, especially in terms of consistently diagnosing binary operators with invalid types on both the left- and right-hand side. Also, improve the grammar and wording of the messages some, handling both two pointers and two (different) types. The wording of function pointer arithmetic diagnostics still strikes me as poorly phrased, and I worry this makes them slightly more awkward if more consistent. I'm hoping to fix that with a follow-on patch and test case that will also make them more helpful when a typedef or template type parameter makes the type completely opaque. Suggestions on better wording are very welcome, thanks to Richard Smith for some initial help on that front. llvm-svn: 133906
* 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
* Rename clang to clang-cc.Daniel Dunbar2009-03-241-1/+1
| | | | | | Tests and drivers updated, still need to shuffle dirs. llvm-svn: 67602
* Allow subtraction of function pointer types in C, as a GNU extension. Fixes ↵Douglas Gregor2009-01-231-0/+5
| | | | | | rdar://problem/6520707 llvm-svn: 62859
* Make sure to take the unqualified versions of the canonical types for Eli Friedman2008-09-021-0/+6
type-checking pointer subtraction; if the canonical types aren't used, the qualifiers won't always get stripped off correctly. llvm-svn: 55620
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