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annotate gcc/testsuite/g++.dg/warn/Wconversion-pr91993.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 2b5abeee2509
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 // PR c++/91993
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2 // { dg-do compile }
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3 // { dg-options "-Wconversion" }
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4
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5 typedef unsigned char uc;
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6
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7 int
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8 foo (const uc &a, const uc &b, const uc &c)
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9 {
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10 return static_cast<uc>(static_cast<uc>(a << 1U) | b) | c; // { dg-bogus "conversion from 'int' to 'unsigned char' may change value" }
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11 }
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12
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13 int
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14 bar (const uc &a, const uc &b, const uc &c, int &d)
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15 {
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16 return static_cast<uc>(static_cast<uc>((d++, a) << 1U) | b) | c; // { dg-bogus "conversion from 'int' to 'unsigned char' may change value" }
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17 }