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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/Sema/warn-shadow.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/Sema/warn-shadow.c')
-rw-r--r-- | clang/test/Sema/warn-shadow.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/clang/test/Sema/warn-shadow.c b/clang/test/Sema/warn-shadow.c new file mode 100644 index 0000000..32aca8d --- /dev/null +++ b/clang/test/Sema/warn-shadow.c @@ -0,0 +1,61 @@ +// RUN: %clang_cc1 -verify -fsyntax-only -fblocks -Wshadow %s + +int i; // expected-note 3 {{previous declaration is here}} + +void foo() { + int pass1; + int i; // expected-warning {{declaration shadows a variable in the global scope}} \ + // expected-note {{previous declaration is here}} + { + int pass2; + int i; // expected-warning {{declaration shadows a local variable}} \ + // expected-note {{previous declaration is here}} + { + int pass3; + int i; // expected-warning {{declaration shadows a local variable}} + } + } + + int sin; // okay; 'sin' has not been declared, even though it's a builtin. +} + +// <rdar://problem/7677531> +void (^test1)(int) = ^(int i) { // expected-warning {{declaration shadows a variable in the global scope}} \ + // expected-note{{previous declaration is here}} + { + int i; // expected-warning {{declaration shadows a local variable}} \ + // expected-note{{previous declaration is here}} + + (^(int i) { return i; })(i); //expected-warning {{declaration shadows a local variable}} + } +}; + + +struct test2 { + int i; +}; + +void test3(void) { + struct test4 { + int i; + }; +} + +void test4(int i) { // expected-warning {{declaration shadows a variable in the global scope}} +} + +// Don't warn about shadowing for function declarations. +void test5(int i); +void test6(void (*f)(int i)) {} +void test7(void *context, void (*callback)(void *context)) {} + +extern int bob; // expected-note {{previous declaration is here}} + +// rdar://8883302 +void rdar8883302() { + extern int bob; // don't warn for shadowing. +} + +void test8() { + int bob; // expected-warning {{declaration shadows a variable in the global scope}} +} |