e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -Wall -Wunused-macros -Wunused-parameter -Wno-uninitialized -verify %s
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// rdar://8365684
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struct S {
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void m1() { int b; while (b==b); } // expected-warning {{always evaluates to true}}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wtautological-compare"
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void m2() { int b; while (b==b); }
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#pragma clang diagnostic pop
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void m3() { int b; while (b==b); } // expected-warning {{always evaluates to true}}
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};
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//------------------------------------------------------------------------------
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wtautological-compare"
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template <typename T>
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struct TS {
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void m() { T b; while (b==b); }
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};
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#pragma clang diagnostic pop
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void f() {
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TS<int> ts;
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ts.m();
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}
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//------------------------------------------------------------------------------
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#define UNUSED_MACRO1 // expected-warning {{macro is not used}}
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunused-macros"
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#define UNUSED_MACRO2
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#pragma clang diagnostic pop
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//------------------------------------------------------------------------------
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wreturn-type"
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int g() { }
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#pragma clang diagnostic pop
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//------------------------------------------------------------------------------
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void ww(
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunused-parameter"
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int x,
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#pragma clang diagnostic pop
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int y) // expected-warning {{unused}}
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{
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}
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//------------------------------------------------------------------------------
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struct S2 {
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int x, y;
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S2() :
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wreorder"
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y(),
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x()
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#pragma clang diagnostic pop
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{}
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};
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//------------------------------------------------------------------------------
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// rdar://8790245
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#define MYMACRO \
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_Pragma("clang diagnostic push") \
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_Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") \
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_Pragma("clang diagnostic pop")
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MYMACRO
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#undef MYMACRO
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//------------------------------------------------------------------------------
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