Fix warning with -Wsign-compare -Wsystem-headers
[official-gcc.git] / gcc / testsuite / gcc.dg / wtr-strcat-1.c
blob730a929c5960399b21870e5076995298ebaa0738
1 /* Test for -Wtraditional warnings on string concatenation.
2 Note, gcc should omit these warnings in system header files.
3 By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/22/2000. */
4 /* { dg-do compile } */
5 /* { dg-options "-Wtraditional" } */
7 void
8 testfunc ()
10 const char *foo;
12 foo = "hello" "hello"; /* { dg-warning "concatenation" "string concatenation" } */
14 # 15 "sys-header.h" 3
15 /* We are in system headers now, no -Wtraditional warnings should issue. */
17 foo = "hello" "hello";