dbghelp: Support S_HEAPALLOCSITE entry.

dlls/dbghelp/msc.c

@@ -2011,6 +2011,11 @@ static BOOL codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* roo
         case S_ALIGN_V1:
             TRACE("S-Align V1\n");
             break;
+        case S_HEAPALLOCSITE:
+            TRACE("heap site: offset=0x%08x at sect_idx 0x%04x, inst_len 0x%08x, index 0x%08x\n",
+                    sym->heap_alloc_site.offset, sym->heap_alloc_site.sect_idx,
+                    sym->heap_alloc_site.inst_len, sym->heap_alloc_site.index);
+            break;
 
         /* the symbols we can safely ignore for now */
         case S_TRAMPOLINE:

include/wine/mscvpdb.h

@@ -1644,6 +1644,16 @@ union codeview_symbol
         unsigned short          eh_sect;        /* section for exception handler */
         unsigned int            flags;
     } frame_info_v2;
+
+    struct
+    {
+        unsigned short  len;
+        unsigned short  id;
+        unsigned int    offset;
+        unsigned short  sect_idx;
+        unsigned short  inst_len;
+        unsigned int    index;
+    } heap_alloc_site;
 };
 
 #define S_COMPILAND_V1  0x0001