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annotate gcc/testsuite/gcc.dg/Wstringop-overflow-26.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 /* PR middle-end/79221 - missing -Wstringop-overflow= on a strcat overflow
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2 { dg-do compile }
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3 { dg-options "-O2 -Wall" } */
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4
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5 extern char* strcat (char*, const char*);
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6
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7 char d[3];
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8
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9 void f (int i)
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10 {
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11 const char *s = i < 0 ? "01234567" : "89abcd";
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12 strcat (d, s); // { dg-warning "'strcat' writing between 7 and 9 bytes into a region of size 3" } */
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13 }
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14
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15
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16 void g (int i)
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17 {
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18 const char *s = i < 0 ? "12345678" : "87654321";
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19 strcat (d, s); // { dg-warning "\\\[-Warray-bounds|-Wstringop-overflow" }
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20 }