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clang-cl: Don't warn on /bigobj flag 

LLVM r217812 made it so that clang-cl implicitly creates bigobj files when
needed, independent of this flag. It looks like cl has this flag to produce obj
flags compatible with MSVS 2003's linker by default, something we don't care
about. Since clang-cl always has /bigobj behavior, don't warn that the flag is
unused, just ignore it silently.

llvm-svn: 248034
This commit is contained in:
Nico Weber 2015-09-18 20:49:33 +00:00
parent 4859773a95
commit 4cc796a614
2 changed files with 2 additions and 1 deletions
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2
clang/include/clang/Driver/CLCompatOptions.td
View File

@ -243,6 +243,7 @@ def _SLASH_Zl : CLFlag<"Zl">,
// Ignored:
def _SLASH_analyze_ : CLIgnoredFlag<"analyze-">;
def _SLASH_bigobj : CLIgnoredFlag<"bigobj">;
def _SLASH_cgthreads : CLIgnoredJoined<"cgthreads">;
def _SLASH_d2Zi_PLUS : CLIgnoredFlag<"d2Zi+">;
def _SLASH_errorReport : CLIgnoredJoined<"errorReport">;
@ -274,7 +275,6 @@ def _SLASH_Zo_ : CLIgnoredFlag<"Zo-">;
// Unsupported:
def _SLASH_AI : CLJoined<"AI">;
def _SLASH_bigobj : CLFlag<"bigobj">;
def _SLASH_clr : CLJoined<"clr">;
def _SLASH_doc : CLJoined<"doc">;
def _SLASH_FA_joined : CLJoined<"FA">;

1
clang/test/Driver/cl-options.c
View File

@ -221,6 +221,7 @@
// Ignored options. Check that we don't get "unused during compilation" errors.
// RUN: %clang_cl /c \
// RUN: /analyze- \
// RUN: /bigobj \
// RUN: /cgthreads4 \
// RUN: /cgthreads8 \
// RUN: /d2Zi+ \