X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FRetainerProfile.c;h=e80a588e86f1ffd6107e4c02342d901d89fb933a;hb=d108044bef62f6a0d579c92ced5e8188f72edc2d;hp=d14ba06bf6ab0fc6b6c7077673ee2daf3779fc13;hpb=70a2431f90fa932733ce015714ef7848640ed48f;p=ghc-hetmet.git

diff --git a/rts/RetainerProfile.c b/rts/RetainerProfile.c
index d14ba06..e80a588 100644
--- a/rts/RetainerProfile.c
+++ b/rts/RetainerProfile.c
@@ -366,7 +366,7 @@ find_srt( stackPos *info )
 	bitmap = info->next.srt.srt_bitmap;
 	while (bitmap != 0) {
 	    if ((bitmap & 1) != 0) {
-#if defined(__PIC__) && defined(mingw32_TARGET_OS)
+#if defined(__PIC__) && defined(mingw32_HOST_OS)
 		if ((unsigned long)(*(info->next.srt.srt)) & 0x1)
 		    c = (* (StgClosure **)((unsigned long)*(info->next.srt.srt)) & ~0x1);
 		else
@@ -1054,6 +1054,10 @@ isRetainer( StgClosure *c )
     case PAP:
 	// indirection
     case IND_PERM:
+    // IND_STATIC used to be an error, but at the moment it can happen
+    // as isAlive doesn't look through IND_STATIC as it ignores static
+    // closures. See trac #3956 for a program that hit this error.
+    case IND_STATIC:
     case BLACKHOLE:
 	// static objects
     case CONSTR_STATIC:
@@ -1069,8 +1073,6 @@ isRetainer( StgClosure *c )
 	//
 	// Error case
 	//
-	// IND_STATIC cannot be *c, *cp, *r in the retainer profiling loop.
-    case IND_STATIC:
 	// CONSTR_NOCAF_STATIC
 	// cannot be *c, *cp, *r in the retainer profiling loop.
     case CONSTR_NOCAF_STATIC:
@@ -1227,7 +1229,7 @@ retainSRT (StgClosure **srt, nat srt_bitmap, StgClosure *c, retainer c_child_r)
 
   while (bitmap != 0) {
       if ((bitmap & 1) != 0) {
-#if defined(__PIC__) && defined(mingw32_TARGET_OS)
+#if defined(__PIC__) && defined(mingw32_HOST_OS)
 	  if ( (unsigned long)(*srt) & 0x1 ) {
 	      retainClosure(* (StgClosure**) ((unsigned long) (*srt) & ~0x1), 
 			    c, c_child_r);