head	1.1;
branch	1.1.1;
access;
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	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2013.11.28.14.14.56;	author joerg;	state Exp;
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desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 

void test() {
  int x;
  if (x) ++x;
  if (int x=0) ++x;

  typedef int arr[10];
  while (arr x={0}) ; // expected-error {{an array type is not allowed here}}
  while (int f()=0) ; // expected-error {{a function type is not allowed here}}

  struct S {} s;
  if (s) ++x; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  while (struct S x=s) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  do ; while (s); // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  for (;s;) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  switch (s) {} // expected-error {{statement requires expression of integer type ('struct S' invalid)}}

  while (struct NewS *x=0) ;
  while (struct S {} *x=0) ; // expected-error {{types may not be defined in conditions}}
  while (struct {} *x=0) ; // expected-error {{types may not be defined in conditions}}
  switch (enum {E} x=0) ; // expected-error {{types may not be defined in conditions}}

  if (int x=0) { // expected-note 2 {{previous definition is here}}
    int x;  // expected-error {{redefinition of 'x'}}
  }
  else
    int x;  // expected-error {{redefinition of 'x'}}
  while (int x=0) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  while (int x=0) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (int x; int x=0; ) ; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (int x; ; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (; int x=0; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (; int x=0; ) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  switch (int x=0) { default: int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
}

int* get_int_ptr();

void test2() {
  float *ip;
  if (int *ip = ip) {
  }
}

// Make sure we do function/array decay.
void test3() {
  if ("help")
    (void) 0;

  if (test3) // expected-warning {{address of function 'test3' will always evaluate to 'true'}} \
                expected-note {{prefix with the address-of operator to silence this warning}}
    (void) 0;
}

void test4(bool (&x)(void)) {
  while (x);
}

template <class>
void test5() {
  if (struct S {}* p = 0) // expected-error {{types may not be defined in conditions}}
    ;
}
void test5_inst() {
   test5<int>();
}
@


1.1.1.1
log
@Import Clang 3.4rc1 r195771.
@
text
@@


1.1.1.2
log
@Import Clang 3.8.0rc3 r261930.
@
text
@d20 3
a22 3
  while (struct S {} *x=0) ; // expected-error {{'S' cannot be defined in a condition}}
  while (struct {} *x=0) ; // expected-error-re {{'(anonymous struct at {{.*}})' cannot be defined in a condition}}
  switch (enum {E} x=0) ; // expected-error-re {{'(anonymous enum at {{.*}})' cannot be defined in a condition}}
d62 1
a62 1
  if (struct S {}* p = 0) // expected-error {{'S' cannot be defined in a condition}}
@


1.1.1.2.2.1
log
@Sync with HEAD
@
text
@a67 4

void PR28373() {
  if (!x) {} // expected-error {{undeclared}}
}
@


1.1.1.3
log
@Import Clang pre-4.0.0 r291444.
@
text
@a67 4

void PR28373() {
  if (!x) {} // expected-error {{undeclared}}
}
@


1.1.1.3.14.1
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.4
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.1.8.1
log
@file condition.cpp was added on branch tls-maxphys on 2014-08-19 23:49:17 +0000
@
text
@d1 67
@


1.1.1.1.8.2
log
@Rebase to HEAD as of a few days ago.
@
text
@a0 67
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 

void test() {
  int x;
  if (x) ++x;
  if (int x=0) ++x;

  typedef int arr[10];
  while (arr x={0}) ; // expected-error {{an array type is not allowed here}}
  while (int f()=0) ; // expected-error {{a function type is not allowed here}}

  struct S {} s;
  if (s) ++x; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  while (struct S x=s) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  do ; while (s); // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  for (;s;) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  switch (s) {} // expected-error {{statement requires expression of integer type ('struct S' invalid)}}

  while (struct NewS *x=0) ;
  while (struct S {} *x=0) ; // expected-error {{types may not be defined in conditions}}
  while (struct {} *x=0) ; // expected-error {{types may not be defined in conditions}}
  switch (enum {E} x=0) ; // expected-error {{types may not be defined in conditions}}

  if (int x=0) { // expected-note 2 {{previous definition is here}}
    int x;  // expected-error {{redefinition of 'x'}}
  }
  else
    int x;  // expected-error {{redefinition of 'x'}}
  while (int x=0) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  while (int x=0) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (int x; int x=0; ) ; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (int x; ; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (; int x=0; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (; int x=0; ) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  switch (int x=0) { default: int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
}

int* get_int_ptr();

void test2() {
  float *ip;
  if (int *ip = ip) {
  }
}

// Make sure we do function/array decay.
void test3() {
  if ("help")
    (void) 0;

  if (test3) // expected-warning {{address of function 'test3' will always evaluate to 'true'}} \
                expected-note {{prefix with the address-of operator to silence this warning}}
    (void) 0;
}

void test4(bool (&x)(void)) {
  while (x);
}

template <class>
void test5() {
  if (struct S {}* p = 0) // expected-error {{types may not be defined in conditions}}
    ;
}
void test5_inst() {
   test5<int>();
}
@


1.1.1.1.4.1
log
@file condition.cpp was added on branch yamt-pagecache on 2014-05-22 16:19:40 +0000
@
text
@d1 67
@


1.1.1.1.4.2
log
@sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")
@
text
@a0 67
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 

void test() {
  int x;
  if (x) ++x;
  if (int x=0) ++x;

  typedef int arr[10];
  while (arr x={0}) ; // expected-error {{an array type is not allowed here}}
  while (int f()=0) ; // expected-error {{a function type is not allowed here}}

  struct S {} s;
  if (s) ++x; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  while (struct S x=s) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  do ; while (s); // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  for (;s;) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
  switch (s) {} // expected-error {{statement requires expression of integer type ('struct S' invalid)}}

  while (struct NewS *x=0) ;
  while (struct S {} *x=0) ; // expected-error {{types may not be defined in conditions}}
  while (struct {} *x=0) ; // expected-error {{types may not be defined in conditions}}
  switch (enum {E} x=0) ; // expected-error {{types may not be defined in conditions}}

  if (int x=0) { // expected-note 2 {{previous definition is here}}
    int x;  // expected-error {{redefinition of 'x'}}
  }
  else
    int x;  // expected-error {{redefinition of 'x'}}
  while (int x=0) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  while (int x=0) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (int x; int x=0; ) ; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (int x; ; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (; int x=0; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  for (; int x=0; ) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
  switch (int x=0) { default: int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
}

int* get_int_ptr();

void test2() {
  float *ip;
  if (int *ip = ip) {
  }
}

// Make sure we do function/array decay.
void test3() {
  if ("help")
    (void) 0;

  if (test3) // expected-warning {{address of function 'test3' will always evaluate to 'true'}} \
                expected-note {{prefix with the address-of operator to silence this warning}}
    (void) 0;
}

void test4(bool (&x)(void)) {
  while (x);
}

template <class>
void test5() {
  if (struct S {}* p = 0) // expected-error {{types may not be defined in conditions}}
    ;
}
void test5_inst() {
   test5<int>();
}
@