// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify %s // RUN: %clang_cc1 -triple x86_64-linux-gnu -ffp-exception-behavior=strict -DSTRICT -fsyntax-only -verify %s // RUN: %clang_cc1 -triple x86_64-linux-gnu -x c++ -DCPP -DSTRICT -ffp-exception-behavior=strict -fsyntax-only -verify %s #ifdef CPP #define CONST constexpr #else #define CONST const #endif #pragma STDC FENV_ACCESS IN_BETWEEN // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}} #pragma STDC FENV_ACCESS OFF float func_04(int x, float y) { if (x) return y + 2; #pragma STDC FENV_ACCESS ON // expected-error{{'#pragma STDC FENV_ACCESS' can only appear at file scope or at the start of a compound statement}} return x + y; } #pragma STDC FENV_ACCESS ON int main() { CONST float one = 1.0F ; CONST float three = 3.0F ; CONST float four = 4.0F ; CONST float frac_ok = one/four; #if !defined(CPP) //expected-note@+2 {{declared here}} #endif CONST float frac = one/three; CONST double d = one; CONST int not_too_big = 255; CONST float fnot_too_big = not_too_big; CONST int too_big = 0x7ffffff0; #if defined(CPP) //expected-warning@+2{{implicit conversion}} #endif CONST float fbig = too_big; // inexact #if !defined(CPP) #define static_assert _Static_assert #endif enum { e1 = (int)one, e3 = (int)three, e4 = (int)four, e_four_quarters = (int)(frac_ok * 4) }; static_assert(e1 == 1 && e3 == 3 && e4 == 4 && e_four_quarters == 1, ""); enum { #if !defined(CPP) // expected-error@+2 {{not an integer constant expression}} expected-note@+2 {{is not a constant expression}} #endif e_three_thirds = (int)(frac * 3) }; if (one <= four) return 0; return -1; }