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111
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1 /* This is allowed, with the effect that the 'extern' declaration at block
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2 scope refers to the same object as the 'static' declaration at file scope.
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3
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4 C90 6.1.2.2 [as corrected by TC1], C99 6.2.2:
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5
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6 For an identifier declared with the storage-class specifier
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7 extern in a scope in which a prior declaration of that
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8 identifier is visible, if the prior declaration specifies
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9 internal or external linkage, the linkage of the identifier at
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10 the later daclaration is the same as the linkage specified at
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11 the prior declaration. If no prior declaration is visible,
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12 or if the prior declaration specifies no linkage, then the
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13 identifer has external linkage.
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14
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15 This is PR 14366. */
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16
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17 static int i;
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18
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19 extern int i;
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20
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21 static void f() {
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22 extern int i;
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23 }
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