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11 Commits

Author SHA1 Message Date
Aaron Ballman 22db4824b9 Use functions with prototypes when appropriate; NFC 
A significant number of our tests in C accidentally use functions
without prototypes. This patch converts the function signatures to have
a prototype for the situations where the test is not specific to K&R C
declarations. e.g.,

  void func();

becomes

  void func(void);

This is the third batch of tests being updated (there are a significant
number of other tests left to be updated).
 2022-02-07 09:25:01 -05:00
Aaron Ballman a529bc3d26 Silence the -Wshadow warning for enumerators shadowing a type. 
Amends r344259 so that enumerators shadowing types are not diagnosed, as shadowing under those circumstances is rarely (if ever) an issue in practice.

llvm-svn: 344898
 2018-10-22 13:05:53 +00:00
Aaron Ballman 20ea72476c Improve -Wshadow warnings with enumerators. 
Addresses PR24718 by checking for enumerators that shadow other enumerators. Catches issues like:

enum E1{e1};
void f(void) {
  enum E2{e1};
}

llvm-svn: 344259
 2018-10-11 16:40:18 +00:00
Ted Kremenek db49a5df47 Split test to test -Wshadow with emmintrin.h more portable. 
llvm-svn: 192144
 2013-10-08 00:03:41 +00:00
Ted Kremenek 854cc293a7 Suppress useless -Wshadow warning when using _mm* macros from emmintrin.h 
Fixes <rdar://problem/10679282>.

I'm not completely satisfied with this patch.  Sprinkling "diagnostic ignored"
_Pragmas throughout this file is gross, but I couldn't suppress
it for the entire file.

llvm-svn: 192143
 2013-10-07 23:51:11 +00:00
Argyrios Kyrtzidis 857dd06605 Fix the diagnostic when we are shadowing an external variable and there exists a locally scoped extern with the same name. 
llvm-svn: 124580
 2011-01-31 07:04:50 +00:00
Argyrios Kyrtzidis f41860c882 'extern' variables in functions don't shadow externs in global scope. Fixes rdar://8883302. 
llvm-svn: 124578
 2011-01-31 07:04:41 +00:00
John McCall df8b37c3f8 -Wshadow should only warn about parameter declarations when we're 
entering a function or block definition, not on every single declaration.
Unfortunately we don't have previous-lookup results around when it's time
to make this decision, so we have to redo the lookup.  The alternative is
to use delayed diagnostics.

llvm-svn: 99172
 2010-03-22 09:20:08 +00:00
John McCall 2d8c760df7 Implement -Wshadow for parameter declarations as well. 
llvm-svn: 99037
 2010-03-20 04:12:52 +00:00
Douglas Gregor 319aa6c4b5 Remove warning about shadowing a built-in; built-ins aren't actually 
considered to be a part of the translation unit unless they're named
in a way that brings them into existence.

llvm-svn: 98729
 2010-03-17 16:03:44 +00:00
John McCall 9a9ae00442 Forgot the testcases. 
llvm-svn: 98685
 2010-03-16 21:50:59 +00:00