Conditionally parse documentation comments in system headers by
passing -fretain-comments-from-system-headers. By default, the
compiler no longer parses such documentation comments, as they
can result in a noticeable compile time/PCH slowdown.
Fixes <rdar://problem/11860820>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163778 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 6d6dbfc..6d34425 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -2151,6 +2151,9 @@
Opts.EmitMicrosoftInlineAsm = Args.hasArg(OPT_fenable_experimental_ms_inline_asm);
+ Opts.RetainCommentsFromSystemHeaders =
+ Args.hasArg(OPT_fretain_comments_from_system_headers);
+
unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags);
switch (SSP) {
default: