llvm-project/clang/test/Sema/negative-shift-wrapv.c

// RUN: %clang_cc1 -Wall -ffreestanding -fsyntax-only -fwrapv -verify %s

int test(void) {
  int i;
  i = -1 << 1; // no-warning
  return i;
}

// expected-no-diagnostics
Left shifts of negative values are defined if -fwrapv is set This means we shouldn't emit ubsan detection code or warn. Fixes PR25552. llvm-svn: 278786 2016-08-16 17:45:36 +08:00			`// RUN: %clang_cc1 -Wall -ffreestanding -fsyntax-only -fwrapv -verify %s`

Use functions with prototypes when appropriate; NFC A significant number of our tests in C accidentally use functions without prototypes. This patch converts the function signatures to have a prototype for the situations where the test is not specific to K&R C declarations. e.g., void func(); becomes void func(void); This is the second batch of tests being updated (there are a significant number of other tests left to be updated). 2022-02-05 04:19:56 +08:00			`int test(void) {`
Left shifts of negative values are defined if -fwrapv is set This means we shouldn't emit ubsan detection code or warn. Fixes PR25552. llvm-svn: 278786 2016-08-16 17:45:36 +08:00			`int i;`
			`i = -1 << 1; // no-warning`
			`return i;`
			`}`

			`// expected-no-diagnostics`