PNaCl: Update clang and llvm revision in pnacl/COMPONENT_REVISIONS

pnacl/driver/pnacl-driver.py

Index: pnacl/driver/pnacl-driver.py
diff --git a/pnacl/driver/pnacl-driver.py b/pnacl/driver/pnacl-driver.py
index 6e49517fd2d039f2c2ea2bf50ffb81ce486fa686..e72af1e757e0c008ff869e6b67908e95bc93f58f 100755
--- a/pnacl/driver/pnacl-driver.py
+++ b/pnacl/driver/pnacl-driver.py
@@ -72,7 +72,8 @@ EXTRA_ENV = {
                   '-fno-common ${PTHREAD ? -pthread} ' +
                   '-nostdinc ${BIAS_%BIAS%} ' +
                   '-fno-gnu-inline-asm ' +
-                  '-target ${FRONTEND_TRIPLE}',
+                  '-target ${FRONTEND_TRIPLE} ' +
+                  '${IS_CXX ? -fexceptions}',

[Derek Schuff, 2016/03/08 21:24:15]

This should be overridable using -fno-exceptions.
So maybe another env var like FRONTEND_EXCEPTIONS which defaults to true, but
can be overriden if the user passes -fno-exceptions.

[Petr Hosek, 2016/03/08 21:33:22]

We capture all '-f.*' flags and append them to CC_FLAGS, so passing in
-fno-exceptions overrides the -fexceptions (the last one wins).

[Derek Schuff, 2016/03/08 21:34:51]

Ah yeah, i forgot about that. Do we have a test for -fexceptions? Seems like we
maybe should since pnacl's exception story is unusual. If not we should maybe
add that, but doesn't need to be in this CL.

 
 
   'ISYSTEM'        : '${ISYSTEM_USER} ${STDINC ? ${ISYSTEM_BUILTIN}}',