File: builtin-redeclaration.c

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (16 lines) | stat: -rw-r--r-- 485 bytes parent folder | download | duplicates (23) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
// RUN: %clang_cc1 -emit-llvm-only %s

// PR45410
// Ensure we mark local extern redeclarations with a different type as non-builtin.
void non_builtin() {
  extern float exp();
  exp(); // Will crash due to wrong number of arguments if this calls the builtin.
}

// PR45410
// We mark exp() builtin as const with -fno-math-errno (default).
// We mustn't do that for extern redeclarations of builtins where the type differs.
float attribute() {
  extern float exp();
  return exp(1);
}