[LLVMbugs] [Bug 13182] New: [Windows] const arrays are not mangled properly

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13182

             Bug #: 13182
           Summary: [Windows] const arrays are not mangled properly
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: timurrrr at google.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Here's a test presented as a diff to test/CodeGenCXX/mangle-ms.cpp

the FIXME lines are the unsatisfied checks, NOW is how these variables are
mangled today.


diff --git test/CodeGenCXX/mangle-ms.cpp test/CodeGenCXX/mangle-ms.cpp
index 8798a7d..8440d68 100644
--- test/CodeGenCXX/mangle-ms.cpp
+++ test/CodeGenCXX/mangle-ms.cpp
@@ -2,6 +2,11 @@

 // CHECK: @"\01?a@@3HA"
 // CHECK: @"\01?b at N@@3HA"
+// CHECK: @"\01?s1 at N@@3PADA"
+// FIXME: @"\01?s2 at N@@3QBDB"
+// NOW:   @"\01?s2 at N@@3PBDA"
+// FIXME: @"\01?s3 at N@@3QBDB"
+// NOW:   @"\01?s3 at N@@3PBDA"
 // CHECK: @c
 // CHECK: @"\01?d at foo@@0FB"
 // CHECK: @"\01?e at foo@@1JC"
@@ -18,10 +23,17 @@

 int a;

-namespace N { int b; }
+namespace N {
+  int b;
+  extern char s1[];
+  extern const char s2[];
+  extern const char s3[42];
+}

 static int c;
-int _c(void) {return c;}
+int _c(void) {
+  return N::s1[0] + N::s2[0] + N::s3[0] + c;
+}
 // CHECK: @"\01?_c@@YAHXZ"

 class foo {

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