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diff gcc/testsuite/gcc.dg/cpp/tr-warn3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/cpp/tr-warn3.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,60 @@
+/* Test for warnings about nontraditional directives inside the unused
+   clauses of #if statements.  Extensions do _not_ receive pedantic
+   warnings inside unused clauses because they are often hidden this
+   way on purpose.  However they do still require indentation for K&R.  */
+/* { dg-do preprocess } */
+/* { dg-options "-pedantic -Wtraditional" } */
+
+#if 1
+
+/* Block 1: K+R directives should have the # indented to warn.  */
+
+#define foo bar		/* { dg-bogus "indented" "^#kandr"     } */
+# define foo bar	/* { dg-bogus "indented" "^# kandr"    } */
+ #define foo bar	/* { dg-warning "indented" "^ #kandr"  } */
+ # define foo bar	/* { dg-warning "indented" "^ # kandr" } */
+
+/* Block 2: C89 directives should not have the # indented to warn.  */
+
+#pragma whatever	/* { dg-warning "indented" "^#c89"     } */
+# pragma whatever	/* { dg-warning "indented" "^# c89"    } */
+ #pragma whatever	/* { dg-bogus "indented" "^ #c89"      } */
+ # pragma whatever	/* { dg-bogus "indented" "^ # c89"     } */
+
+/* Block 3: Extensions should not have the # indented to warn, _and_
+   they should get a -pedantic warning. */
+
+#assert foo(bar)	/* { dg-warning "indented" "^#ext"    } */
+/* { dg-warning "GCC extension" "extension warning" { target *-*-* } .-1 } */
+# assert bar(baz)	/* { dg-warning "indented" "^# ext"   } */
+/* { dg-warning "GCC extension" "extension warning" { target *-*-* } .-1 } */
+ #assert baz(quux)	/* { dg-bogus "indented" "^ #ext"     } */
+/* { dg-warning "GCC extension" "extension warning" { target *-*-* } .-1 } */
+ # assert quux(weeble)	/* { dg-bogus "indented" "^ # ext"    } */
+/* { dg-warning "GCC extension" "extension warning" { target *-*-* } .-1 } */
+
+#else
+
+/* Block 1: K+R directives should have the # indented to warn.  */
+
+#undef foo bar		/* { dg-bogus "indented" "^#kandr"     } */
+# undef foo bar		/* { dg-bogus "indented" "^# kandr"    } */
+ #undef foo bar		/* { dg-warning "indented" "^ #kandr"  } */
+ # undef foo bar	/* { dg-warning "indented" "^ # kandr" } */
+
+/* Block 2: C89 directives should not have the # indented to warn.  */
+
+#error whatever		/* { dg-warning "indented" "^#c89"     } */
+# error whatever	/* { dg-warning "indented" "^# c89"    } */
+ #error whatever	/* { dg-bogus "indented" "^ #c89"      } */
+ # error whatever	/* { dg-bogus "indented" "^ # c89"     } */
+
+/* Block 3: Extensions should not have the # indented to warn, and
+   they should _not_ get a -pedantic warning. */
+
+#unassert foo(bar)		/* { dg-warning "indented" "^#ext"    } */
+# unassert bar(baz)		/* { dg-warning "indented" "^# ext"   } */
+ #unassert baz(quux)		/* { dg-bogus "indented" "^ #ext"     } */
+ # unassert quux(weeble)	/* { dg-bogus "indented" "^ # ext"    } */
+
+#endif