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annotate gcc/testsuite/gcc.dg/bitfld-2.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 /* Copyright (C) 2002 Free Software Foundation, Inc.
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2
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3 Tests we warn about overly-large assignments to bitfields.
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4
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5 Source: Neil Booth, 28 Jan 2002.
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6 */
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7
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8 struct bf
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9 {
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10 unsigned int a: 2;
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11 int b: 2;
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12 };
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13
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14 struct bf p = {4, 0}; /* { dg-warning "unsigned conversion from .int. to 'unsigned char:2' changes value from .4. to .0." } */
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15 struct bf q = {0, 2}; /* { dg-warning "overflow in conversion from .int. to .signed char:2. changes value from .2. to .-2." } */
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16 struct bf r = {3, -2}; /* { dg-bogus "(trunc|overflow)" } */
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17
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18 void foo ()
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19 {
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20 p.a = 4, p.b = 0; /* { dg-warning "unsigned conversion from .int. to .unsigned char:2. changes value from .4. to .0." } */
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21 q.a = 0, q.b = 2; /* { dg-warning "overflow in conversion from .int. to .signed char:2. changes value from .2. to .-2." } */
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22 r.a = 3, r.b = -2; /* { dg-bogus "(trunc|overflow)" } */
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23 }