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| author | Daniel Marjamaki <daniel.marjamaki@evidente.se> | 2017-09-29 09:44:41 +0000 |
|---|---|---|
| committer | Daniel Marjamaki <daniel.marjamaki@evidente.se> | 2017-09-29 09:44:41 +0000 |
| commit | 94efed908a60ba04964f220f0822e3463d0dcc38 (patch) | |
| tree | 6390441a77ed87103534f67381b97a4173e57215 /test/Sema | |
| parent | 2fb39644fd947db828c0d8ecf36edd2d387dac8c (diff) | |
| download | clang-94efed908a60ba04964f220f0822e3463d0dcc38.tar.gz | |
[Sema] Suppress warnings for C's zero initializer
Patch by S. Gilles!
Differential Revision: https://reviews.llvm.org/D28148
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@314499 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Sema')
| -rw-r--r-- | test/Sema/zero-initializer.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Sema/zero-initializer.c b/test/Sema/zero-initializer.c new file mode 100644 index 0000000000..472eed9517 --- /dev/null +++ b/test/Sema/zero-initializer.c @@ -0,0 +1,38 @@ +// RUN: %clang_cc1 -std=c99 -Wmissing-field-initializers -Wmissing-braces -verify %s + +// Tests that using {0} in struct initialization or assignment is supported +struct foo { int x; int y; }; +struct bar { struct foo a; struct foo b; }; +struct A { int a; }; +struct B { struct A a; }; +struct C { struct B b; }; + +int main(void) +{ + struct foo f = { 0 }; // no-warning + struct foo g = { 9 }; // expected-warning {{missing field 'y' initializer}} + struct foo h = { 9, 9 }; // no-warning + struct bar i = { 0 }; // no-warning + struct bar j = { 0, 0 }; // expected-warning {{suggest braces around initialization of subobject}} expected-warning {{missing field 'b' initializer}} + struct bar k = { { 9, 9 }, { 9, 9 } }; // no-warning + struct bar l = { { 9, 9 }, { 0 } }; // no-warning + struct bar m = { { 0 }, { 0 } }; // no-warning + struct bar n = { { 0 }, { 9, 9 } }; // no-warning + struct bar o = { { 9 }, { 9, 9 } }; // expected-warning {{missing field 'y' initializer}} + struct C p = { 0 }; // no-warning + struct C q = { 9 }; // expected-warning {{suggest braces around initialization of subobject}} expected-warning {{suggest braces around initialization of subobject}} + f = (struct foo ) { 0 }; // no-warning + g = (struct foo ) { 9 }; // expected-warning {{missing field 'y' initializer}} + h = (struct foo ) { 9, 9 }; // no-warning + i = (struct bar) { 0 }; // no-warning + j = (struct bar) { 0, 0 }; // expected-warning {{suggest braces around initialization of subobject}} expected-warning {{missing field 'b' initializer}} + k = (struct bar) { { 9, 9 }, { 9, 9 } }; // no-warning + l = (struct bar) { { 9, 9 }, { 0 } }; // no-warning + m = (struct bar) { { 0 }, { 0 } }; // no-warning + n = (struct bar) { { 0 }, { 9, 9 } }; // no-warning + o = (struct bar) { { 9 }, { 9, 9 } }; // expected-warning {{missing field 'y' initializer}} + p = (struct C) { 0 }; // no-warning + q = (struct C) { 9 }; // expected-warning {{suggest braces around initialization of subobject}} expected-warning {{suggest braces around initialization of subobject}} + + return 0; +} |