llvm-project/clang/test/Sema/if-empty-body.c

// RUN: clang -fsyntax-only -verify %s

void f1(int a) {
    if (a); // expected-warning {{if statement has empty body}}
}

void f2(int a) {
    if (a) {}
}

void f3() {
  if (1)
    xx;      // expected-error {{use of undeclared identifier}}
  return;    // no empty body warning.
}
rename -parse-ast-print to -ast-print rename -parse-ast-dump to -ast-dump remove -parse-ast, which is redundant with -fsyntax-only llvm-svn: 42852 2007-10-11 08:18:28 +08:00			`// RUN: clang -fsyntax-only -verify %s`
Emit a warning when the body of an if block is a NullStmt. llvm-svn: 42840 2007-10-11 04:50:11 +08:00
			`void f1(int a) {`
			`if (a); // expected-warning {{if statement has empty body}}`
			`}`

			`void f2(int a) {`
			`if (a) {}`
			`}`
improve error recovery handling broken 'then' or 'else' stmts in if statements. This implements Sema/if-empty-body.c:f3, silencing a bogus secondary warning. It also improve the location info for the nullstmts created for recovery purposes. llvm-svn: 43440 2007-10-29 13:08:52 +08:00
			`void f3() {`
			`if (1)`
			`xx; // expected-error {{use of undeclared identifier}}`
			`return; // no empty body warning.`
			`}`