diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/warn/Wconversion-real-integer-3.C')
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/Wconversion-real-integer-3.C | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wconversion-real-integer-3.C b/gcc/testsuite/g++.dg/warn/Wconversion-real-integer-3.C new file mode 100644 index 0000000000..a4df0100a7 --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wconversion-real-integer-3.C @@ -0,0 +1,20 @@ +// { dg-do compile } +// { dg-options "-Wconversion -ftrack-macro-expansion=2" } +// { dg-require-effective-target int32plus } + +#include "conversion-real-integer-3.h" + +float vfloat; + +void h (void) +{ + // We want to trigger an error on the token INT_MAX below, that is + // a macro that expands to the built-in __INT_MAX__. Furthermore, + // INT_MAX is defined inside a system header. + // + // The behaviour we want is that the diagnostic should point to + // the locus that inside the source code here, at the relevant + // line below, even with -ftrack-macro-expansion. We don't want + // it to point to the any locus that is inside the system header. + vfloat = INT_MAX; // { dg-warning "conversion to .float. alters .int. constant value" } +} |