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annotate gcc/testsuite/g++.dg/torture/tail-padding1.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 // Test that initializing a non-POD base with a trivial copy ctor doesn't
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2 // clobber tail padding.
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3
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4 // { dg-do run }
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5
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6 struct X { ~X() {} int n; char d; };
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7 struct Y { Y(); char c[3]; };
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8 struct Z : X, virtual Y { Z(); };
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9
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10 X f() { X nrvo; __builtin_memset(&nrvo, 0, sizeof(X)); return nrvo; }
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11 Z::Z() : Y(), X(f()) {}
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12 Y::Y() { c[0] = 1; }
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13
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14 int main() {
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15 Z z;
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16 if (z.c[0] != 1)
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17 __builtin_abort ();
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18 }