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annotate gcc/testsuite/g++.dg/warn/Wnonnull-compare-8.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 // PR c++/70295
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2 // { dg-do compile }
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3 // { dg-options "-O2 -Wnonnull-compare" }
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4
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5 struct A { A (); virtual ~A (); bool foo (bool); };
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6 struct B : virtual public A { B (); virtual ~B (); };
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7
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8 bool
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9 A::foo (bool x)
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10 {
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11 if (x && dynamic_cast<B *>(this) != (B *) 0) // { dg-bogus "nonnull argument" }
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12 return true;
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13 return false;
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14 }