[PATCH] [Support] Lazy load of dbghlp.dll on Windows

[Reid Kleckner]

I'm fine with the dynamic approach over the delayload approach. We use this DLL so infrequently that it's fine.


REPOSITORY
  rL LLVM

================
Comment at: configure:8661
@@ -8660,3 +8660,1 @@
 
-{ echo "$as_me:$LINENO: checking for main in -limagehlp" >&5
-echo $ECHO_N "checking for main in -limagehlp... $ECHO_C" >&6; }
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configure is a generated file. You want to change llvm/autoconf/configure.ac, and let Eric run autoconf to update this file.

http://reviews.llvm.org/D10737

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