scc

commit 149ab2b982334ac3efa9034e595afff1b9df17ad
parent 046982d523fdd935c5b30924de2e143f4fbbf6df
Author: Michael Forney <mforney@mforney.org>
Date:   Mon, 20 Feb 2017 13:10:28 -0800

[cc1] Clear SEXTERN for global symbols previously declared as extern

Diffstat:
M
cc1/decl.c
 | 
3
++-
A
tests/execute/0113-externredecl.c
 | 
8
++++++++
M
tests/execute/scc-tests.lst
 | 
1
+

3 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/cc1/decl.c b/cc1/decl.c
@@ -703,7 +703,8 @@ redcl(Symbol *sym, Type *tp, Symbol **pars, int sclass)
 		break;
 	case NOSCLASS:
 		if ((flags & SPRIVATE) == 0) {
-			flags &= ~SEXTERN;
+			if (flags & SEXTERN)
+				flags &= ~(SEXTERN|SEMITTED);
 			flags |= SGLOBAL;
 			break;
 		}
diff --git a/tests/execute/0113-externredecl.c b/tests/execute/0113-externredecl.c
@@ -0,0 +1,8 @@
+extern int x;
+int x;
+
+int
+main()
+{
+	return x;
+}
diff --git a/tests/execute/scc-tests.lst b/tests/execute/scc-tests.lst
@@ -103,3 +103,4 @@
 0110-typedefcast.c
 0111-doubledef.c
 0112-cond.c
+0113-externredecl.c