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C++ codegen failure for derived objects; C backend works correctly

2

Compiling derived `var` object on `C++` backend results in compilation error. No problems on `C` backend. ### Example ```nim type Base* = ref object of RootObj method printSpace(c: var Base):...

haxscramper

Hole in auto allows to compile incorrect code

1

### What happened? Probably this is already reported, but couldnt find it anywhere. When using auto, and it seems sugar uses it, the compiler allows you to write incorrect code....

jmgomez

```nim template test_template(args:varargs[typedesc])= echo typeof(args[1000]) proc test_proc(args:varargs[typedesc])= echo typeof(args[1000]) test_template(string) # it's ok, but 'echo typeof(args[0] | args[1] | args[1000])' all work test_proc(string) # Error: internal error: getTypeDescAux(tyNone) test_template(string,int) #...

elvisxzhou

Const values don't short circuit.

2

If you have a const string it will not short-circuit and will not compile: ### Example ```nim const s1 = "" if s1.len == 0 or s1[0] == '/': echo...

treeform

fixes #19967; reset does not work on set [backport: 1.2]

2

fixes https://github.com/nim-lang/Nim/issues/19967 - [x] add a testcase for emums

ringabout

gcc error when constructing an object that has the same name in the same file name in 2 different directories

5

### Example `module1`/`defs.nim`: ```nim type MyObj* = object field1*: int ``` `module2`/`defs.nim`: ```nim type MyObj* = object field2*: int ``` `main.nim`: ```nim import module1/defs as md1 import module2/defs as md2...

hamidb80

fixes #10542; Varargs conversions produce erroneous ConvFromXtoItself NotNeeded warnings

2

fixes https://github.com/nim-lang/Nim/issues/10542 ref https://github.com/nim-lang/RFCs/issues/471

ringabout

Add envvars.getEnv

5

- Added `envvars.getEnv` overload that stores the value in argument.

juancarlospaco

store full definition AST for consts, fix noRewrite

5

closes #9331, fixes #20114, fixes #19766 Stores full definition AST for consts (continuing #9582). Also moves extractPragma to ast for later convenience. Also had to fix `noRewrite` (#16620, probably not...

metagn

refs #8759 This is just to test the suite/packages with this change, not adding a test for #8759

metagn