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view gcc/testsuite/gcc.dg/pr59963-2.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
children |
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/* PR c/59963 */ /* { dg-do compile } */ /* { dg-options "-Woverflow -Wconversion" } */ extern void bar (unsigned char); extern void bar8 (unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char); extern void bazu (unsigned int, ...); extern void bazi (char, int); extern int f (short a, short b); int g (void) { return f (0xffffffffL, /* { dg-warning "13:-Woverflow" } */ 0xffffffffL) /* { dg-warning "13:-Woverflow" } */ && f (0xffffffffL, /* { dg-warning "16:-Woverflow" } */ 0xffffffffL); /* { dg-warning "16:-Woverflow" } */ } void foo (int i) { bar (256); /* { dg-warning "8:-Woverflow" } */ bar (6.66f); /* { dg-warning "8:conversion" } */ bar8 (-1, /* { dg-warning "9:-Wsign-conversion" } */ -2, /* { dg-warning "10:-Wsign-conversion" } */ -3, /* { dg-warning "11:-Wsign-conversion" } */ -4, /* { dg-warning "12:-Wsign-conversion" } */ -5, /* { dg-warning "13:-Wsign-conversion" } */ -6, /* { dg-warning "14:-Wsign-conversion" } */ -7, /* { dg-warning "15:-Wsign-conversion" } */ -8); /* { dg-warning "16:-Wsign-conversion" } */ bazu (i, i); /* { dg-warning "9:conversion" } */ bazi (0x8, 0x80000000); /* { dg-warning "14:-Wsign-conversion" "first" { xfail int16 } } */ /* { dg-warning "overflow in conversion from" "second" { target int16 } .-1 } */ }