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libcc1: avoid a call to c_str 

This is a trivial change to libcc1 to avoid an explicit call to c_str.
Passing by const reference is slightly less wordy.

libcc1

	* compiler.cc (make_regexp): Take const std::string.
	(cc1_plugin::compiler_triplet_regexp::find): Update.
This commit is contained in:
Tom Tromey 2021-05-04 15:26:58 -06:00
parent 96deddca2e
commit 61d48b1e2b
1 changed files with 2 additions and 2 deletions
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4
libcc1/compiler.cc
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@ -28,7 +28,7 @@ along with GCC; see the file COPYING3. If not see
// Construct an appropriate regexp to match the compiler name.
static std::string
make_regexp (const char *triplet_regexp, const char *compiler)
make_regexp (const std::string &triplet_regexp, const char *compiler)
{
std::stringstream buf;
@ -71,7 +71,7 @@ char *
cc1_plugin::compiler_triplet_regexp::find (const char *base,
std::string &compiler) const
{
std::string rx = make_regexp (triplet_regexp_.c_str (), base);
std::string rx = make_regexp (triplet_regexp_, base);
if (verbose)
fprintf (stderr, _("searching for compiler matching regex %s\n"),
rx.c_str());