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Diffstat (limited to 'test/SemaCXX/unreachable-code.cpp')
-rw-r--r-- | test/SemaCXX/unreachable-code.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/SemaCXX/unreachable-code.cpp b/test/SemaCXX/unreachable-code.cpp new file mode 100644 index 0000000..528bba7 --- /dev/null +++ b/test/SemaCXX/unreachable-code.cpp @@ -0,0 +1,41 @@ +// RUN: %clang_cc1 -fsyntax-only -Wunreachable-code -fblocks -verify %s + +int j; +void bar() { } +int test1() { + for (int i = 0; + i != 10; + ++i) { // expected-warning {{will never be executed}} + if (j == 23) // missing {}'s + bar(); + return 1; + } + return 0; + return 1; // expected-warning {{will never be executed}} +} + +void test2(int i) { + switch (i) { + case 0: + break; + bar(); // expected-warning {{will never be executed}} + case 2: + switch (i) { + default: + a: goto a; + } + bar(); // expected-warning {{will never be executed}} + } + b: goto b; + bar(); // expected-warning {{will never be executed}} +} + +void test3() { + ^{ return; + bar(); // expected-warning {{will never be executed}} + }(); + while (++j) { + continue; + bar(); // expected-warning {{will never be executed}} + } +} |