/* Test for constant expressions: VLA size constraints with -frounding-math. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-std=iso9899:1999 -pedantic-errors -frounding-math" } */ void f (void) { /* With -frounding-math, presume that floating-point expressions that may depend on the rounding mode do not count as arithmetic constant expressions, and so arrays involving such expressions in their sizes do not have the size checked for being negative. */ int a1[(int)(-5.0/3.0)]; }