clang/test/Sema/warn-unreachable-ms.c

   1 // RUN: %clang_cc1 %s -triple=i686-pc-win32 -fsyntax-only -verify -fms-extensions -Wunreachable-code
   2
   3 void f(void);
   4
   5 void g1(void) {
   6   __try {
   7     f();
   8     __leave;
   9     f();  // expected-warning{{will never be executed}}
  10   } __except(1) {
  11     f();
  12   }
  13
  14   // Completely empty.
  15   __try {
  16   } __except(1) {
  17   }
  18
  19   __try {
  20     f();
  21     return;
  22   } __except(1) {  // Filter expression should not be marked as unreachable.
  23     // Empty __except body.
  24   }
  25 }
  26
  27 void g2(void) {
  28   __try {
  29     // Nested __try.
  30     __try {
  31       f();
  32       __leave;
  33       f(); // expected-warning{{will never be executed}}
  34     } __except(2) {
  35     }
  36     f();
  37     __leave;
  38     f(); // expected-warning{{will never be executed}}
  39   } __except(1) {
  40     f();
  41   }
  42 }
  43
  44 void g3(void) {
  45   __try {
  46     __try {
  47       f();
  48     } __except (1) {
  49       __leave; // should exit outer try
  50     }
  51     __leave;
  52     f(); // expected-warning{{never be executed}}
  53   } __except (1) {
  54   }
  55 }