diff options
| -rw-r--r-- | lib/Driver/Tools.cpp | 10 | ||||
| -rw-r--r-- | test/Driver/warning-options.cpp | 4 |
2 files changed, 9 insertions, 5 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 9448425a42..90a9f0cf94 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -2018,11 +2018,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (Arg *A = Args.getLastArg(options::OPT_Wlarge_by_value_copy_EQ, options::OPT_Wlarge_by_value_copy_def)) { - CmdArgs.push_back("-Wlarge-by-value-copy"); - if (A->getNumValues()) - CmdArgs.push_back(A->getValue(Args)); - else - CmdArgs.push_back("64"); // default value for -Wlarge-by-value-copy. + if (A->getNumValues()) { + StringRef bytes = A->getValue(Args); + CmdArgs.push_back(Args.MakeArgString("-Wlarge-by-value-copy=" + bytes)); + } else + CmdArgs.push_back("-Wlarge-by-value-copy=64"); // default value } if (Args.hasArg(options::OPT__relocatable_pch)) diff --git a/test/Driver/warning-options.cpp b/test/Driver/warning-options.cpp new file mode 100644 index 0000000000..a36210d7e1 --- /dev/null +++ b/test/Driver/warning-options.cpp @@ -0,0 +1,4 @@ +// RUN: %clang -### -Wlarge-by-value-copy %s 2>&1 | FileCheck -check-prefix=LARGE_VALUE_COPY_DEFAULT %s +// LARGE_VALUE_COPY_DEFAULT: -Wlarge-by-value-copy=64 +// RUN: %clang -### -Wlarge-by-value-copy=128 %s 2>&1 | FileCheck -check-prefix=LARGE_VALUE_COPY_JOINED %s +// LARGE_VALUE_COPY_JOINED: -Wlarge-by-value-copy=128 |