Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/Wrestrict-15.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/Wrestrict-15.c Thu Oct 25 07:37:49 2018 +0900 @@ -0,0 +1,38 @@ +/* PR 85365 - -Wrestrict false positives with -fsanitize=undefined + { dg-do compile } + { dg-options "-O2 -Wrestrict -fsanitize=undefined" } */ + +typedef __SIZE_TYPE__ size_t; + +char *strcpy (char *, const char *); +char *strcat (char *, const char *); + +size_t strlen (char *); + +extern char a[], b[], d[]; + +size_t t1 (char *g, int i) +{ + /* The following exercises the handling in gimple-fold.c. */ + strcpy (g + 4, i ? b : a); /* { dg-bogus "\\\[-Wrestrict]" } */ + return strlen (g + 4); +} + +void t2 (char *g, int i) +{ + strcpy (g + 4, i ? b : a); /* { dg-bogus "\\\[-Wrestrict]" } */ + strcat (g + 4, d); +} + +void t3 (char *g, int i) +{ + /* The following exercises the handling in gimple-ssa-warn-restrict.c. */ + strcat (g + 4, i ? b : a); /* { dg-bogus "\\\[-Wrestrict]" } */ + strcat (g + 4, d); +} + +void t4 (char *p, char *q) +{ + strcpy (p, q); /* { dg-bogus "\\\[-Wrestrict]" } */ + strcat (p, q + 32); +}