File: dr290.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (20 lines) | stat: -rw-r--r-- 733 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
/* RUN: %clang_cc1 -ast-dump %s | FileCheck %s
 */

/* WG14 DR290: no
 * FLT_EVAL_METHOD and extra precision and/or range
 *
 * We retain an implicit conversion based on the float eval method being used
 * instead of dropping it due to the explicit cast. See GH86304 and C23 6.5.5p7.
 */

#pragma clang fp eval_method(double)
_Static_assert((float)(123.0F * 2.0F) == (float)246.0F, "");

// CHECK: StaticAssertDecl
// CHECK-NEXT: ImplicitCastExpr {{.*}} '_Bool' <IntegralToBoolean>
// CHECK-NEXT: BinaryOperator {{.*}} 'int' '=='
// NB: the following implicit cast is incorrect.
// CHECK-NEXT: ImplicitCastExpr {{.*}} 'double' <FloatingCast> FPEvalMethod=1
// CHECK-NEXT: CStyleCastExpr {{.*}} 'float' <FloatingCast> FPEvalMethod=1