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annotate gcc/testsuite/g++.dg/cpp0x/Wnarrowing17.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 1830386684a0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1830386684a0 gcc-9.2.0
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1 // PR c++/90805 - detect narrowing in case values.
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2 // { dg-do compile { target c++11 } }
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3
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4 void f(int i, char c, unsigned u)
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5 {
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6 switch (i)
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7 {
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8 case 2149056512u:; // { dg-error "narrowing conversion of .2149056512. from .unsigned int. to .int." }
1830386684a0 gcc-9.2.0
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9 case (long long int) 1e10:; // { dg-error "narrowing conversion of .10000000000. from .long long int. to .int." }
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10 // { dg-warning "overflow in conversion" "overflow" { target *-*-* } .-1 }
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11 }
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12
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13 switch (c)
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14 // No narrowing, the adjusted type is int.
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15 case 300:; // { dg-warning "exceeds maximum value for type" }
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16
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17 switch (u)
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18 case -42:; // { dg-error "narrowing conversion of .-42. from .int. to .unsigned int." }
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19 }