d/dmd: Merge upstream dmd ab702e73e

Fixes memory leak in the front-end symbol mangler, and introduces
recognition and rejection of a few more C types and directives.

Reviewed-on: https://github.com/dlang/dmd/pull/9492

From-SVN: r269945

3 files changed, 38 insertions, 0 deletions

diff --git a/gcc/testsuite/gdc.test/fail_compilation/cerrors.d b/gcc/testsuite/gdc.test/fail_compilation/cerrors.d
new file mode 100644
index 0000000..3d69d41
--- /dev/null
+++ b/gcc/testsuite/gdc.test/fail_compilation/cerrors.d
@@ -0,0 +1,15 @@
+/* REQUIRED_ARGS: -wi
+TEST_OUTPUT:
+---
+fail_compilation/cerrors.d(11): Error: C preprocessor directive `#if` is not supported, use `version` or `static if`
+fail_compilation/cerrors.d(11): Error: declaration expected, not `#`
+fail_compilation/cerrors.d(15): Warning: C preprocessor directive `#endif` is not supported
+fail_compilation/cerrors.d(15): Error: declaration expected, not `#`
+---
+*/
+
+#if 1
+
+void test(wchar_t u);
+
+#endif
diff --git a/gcc/testsuite/gdc.test/fail_compilation/ctypes.d b/gcc/testsuite/gdc.test/fail_compilation/ctypes.d
new file mode 100644
index 0000000..9f5ff18
--- /dev/null
+++ b/gcc/testsuite/gdc.test/fail_compilation/ctypes.d
@@ -0,0 +1,13 @@
+/*
+TEST_OUTPUT:
+---
+fail_compilation/ctypes.d(11): Error: use `real` instead of `long double`
+fail_compilation/ctypes.d(12): Error: use `long` for a 64 bit integer instead of `long long`
+---
+*/
+
+void test()
+{
+    long double r;
+    long long ll;
+}
diff --git a/gcc/testsuite/gdc.test/fail_compilation/widechars.d b/gcc/testsuite/gdc.test/fail_compilation/widechars.d
new file mode 100644
index 0000000..ccfc47a
--- /dev/null
+++ b/gcc/testsuite/gdc.test/fail_compilation/widechars.d
@@ -0,0 +1,10 @@
+
+/*
+DISABLED: win32 win64
+TEST_OUTPUT:
+---
+fail_compilation/widechars.d(10): Error: undefined identifier `wchar_t`, did you mean `dchar`?
+---
+*/
+
+wchar_t x;