Merge pull request #14074 from ibuclaw/issue23089

fix Issue 23089 - Linkage-related ICE regression in v2.100.0-rc.1
dlang · May 5, 2022 · de56f38 · de56f38
2 parents 3a66d2f + c23195d
commit de56f38
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Showing 3 changed files with 11 additions and 2 deletions.
diff --git a/src/dmd/tocsym.d b/src/dmd/tocsym.d
@@ -276,7 +276,8 @@ Symbol *toSymbol(Dsymbol s)
             }
 
             mangle_t m = 0;
-            final switch (vd.linkage)
+            const linkage = vd.linkage == LINK.system ? target.systemLinkage() : vd.linkage;
+            final switch (linkage)
             {
                 case LINK.windows:
                     m = target.is64bit ? mTYman_c : mTYman_std;

diff --git a/src/dmd/toobj.d b/src/dmd/toobj.d
@@ -985,7 +985,8 @@ void toObjFile(Dsymbol ds, bool multiobj)
          */
         static mangle_t mangle(const VarDeclaration vd)
         {
-            final switch (vd.linkage)
+            const linkage = vd.linkage == LINK.system ? target.systemLinkage() : vd.linkage;
+            final switch (linkage)
             {
                 case LINK.windows:
                     return target.is64bit ? mTYman_c : mTYman_std;

diff --git a/test/compilable/test23089.d b/test/compilable/test23089.d
@@ -0,0 +1,7 @@
+// https://issues.dlang.org/show_bug.cgi?id=23089
+extern(System) int i23089;
+
+extern(System):
+
+alias F23089 = void function(int);
+F23089 f23089;