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Diffstat (limited to 'gcc/testsuite/gcc.dg/local1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/local1.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/local1.c b/gcc/testsuite/gcc.dg/local1.c index 700070ae1d6..9d6fdb16752 100644 --- a/gcc/testsuite/gcc.dg/local1.c +++ b/gcc/testsuite/gcc.dg/local1.c @@ -1,3 +1,19 @@ +/* This is allowed, with the effect that the 'extern' declaration at block + scope refers to the same object as the 'static' declaration at file scope. + + C90 6.1.2.2 [as corrected by TC1], C99 6.2.2: + + For an identifier declared with the storage-class specifier + extern in a scope in which a prior declaration of that + identifier is visible, if the prior declaration specifies + internal or external linkage, the linkage of the identifier at + the later daclaration is the same as the linkage specified at + the prior declaration. If no prior declaration is visible, + or if the prior declaration specifies no linkage, then the + identifer has external linkage. + + This is PR 14366. */ + static int i; extern int i; |