Diagnose uninitialized uses of a variable within its own initializer.
This is basically the same idea as the warning on uninitialized uses of
fields within an initializer list. As such, it is on by default and
under -Wuninitialized.
Original patch by Richard Trieu, with some massaging from me on the
wording and grouping of the diagnostics.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128376 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/pragma_diagnostic_sections.cpp b/test/Preprocessor/pragma_diagnostic_sections.cpp
index 69436b0..b680fae 100644
--- a/test/Preprocessor/pragma_diagnostic_sections.cpp
+++ b/test/Preprocessor/pragma_diagnostic_sections.cpp
@@ -2,14 +2,14 @@
// rdar://8365684
struct S {
- void m1() { int b = b==b; } // expected-warning {{always evaluates to true}}
+ void m1() { int b; while (b==b); } // expected-warning {{always evaluates to true}}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wtautological-compare"
- void m2() { int b = b==b; }
+ void m2() { int b; while (b==b); }
#pragma clang diagnostic pop
- void m3() { int b = b==b; } // expected-warning {{always evaluates to true}}
+ void m3() { int b; while (b==b); } // expected-warning {{always evaluates to true}}
};
//------------------------------------------------------------------------------
@@ -18,7 +18,7 @@
#pragma clang diagnostic ignored "-Wtautological-compare"
template <typename T>
struct TS {
- void m() { T b = b==b; }
+ void m() { T b; while (b==b); }
};
#pragma clang diagnostic pop